9712378653 has 16 divisors (see below), whose sum is σ = 13285662720. Its totient is φ = 6307794864.

The previous prime is 9712378651. The next prime is 9712378657. The reversal of 9712378653 is 3568732179.

It is not a de Polignac number, because 9712378653 - 2¹ = 9712378651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9712378596 and 9712378605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9712378651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48883 + ... + 147696.

It is an arithmetic number, because the mean of its divisors is an integer number (830353920).

Almost surely, 2^9712378653 is an apocalyptic number.

It is an amenable number.

9712378653 is a deficient number, since it is larger than the sum of its proper divisors (3573284067).

9712378653 is a wasteful number, since it uses less digits than its factorization.

9712378653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197008.

The product of its digits is 1905120, while the sum is 51.

The square root of 9712378653 is about 98551.4010707103. The cubic root of 9712378653 is about 2133.5780525229.

The spelling of 9712378653 in words is "nine billion, seven hundred twelve million, three hundred seventy-eight thousand, six hundred fifty-three".