9201478653 has 12 divisors (see below), whose sum is σ = 13292102460. Its totient is φ = 6133821696.

The previous prime is 9201478651. The next prime is 9201478777. The reversal of 9201478653 is 3568741029.

9201478653 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

9201478653 is a nontrivial binomial coefficient, being equal to C(135658, 2).

It can be written as a sum of positive squares in 2 ways, for example, as 5511280644 + 3690198009 = 74238^2 + 60747^2 .

It is not a de Polignac number, because 9201478653 - 2¹ = 9201478651 is a prime.

It is a super-2 number, since 2×9201478653² (a number of 21 digits) contains 22 as substring.

9201478653 is strictly pandigital in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9201478599 and 9201478608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9201478651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101743 + ... + 169571.

It is an arithmetic number, because the mean of its divisors is an integer number (1107675205).

It is a 2-persistent number, because it is pandigital, and so is 2⋅9201478653 = 18402957306, but 3⋅9201478653 = 27604435959 is not.

Almost surely, 2^9201478653 is an apocalyptic number.

9201478653 is the 135657-th triangular number and also the 67829-th hexagonal number.

It is an amenable number.

9201478653 is a deficient number, since it is larger than the sum of its proper divisors (4090623807).

9201478653 is a wasteful number, since it uses less digits than its factorization.

9201478653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82908 (or 82905 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 9201478653 is about 95924.3381681625. The cubic root of 9201478653 is about 2095.4913589746.

The spelling of 9201478653 in words is "nine billion, two hundred one million, four hundred seventy-eight thousand, six hundred fifty-three".