9813650452 has 54 divisors (see below), whose sum is σ = 18775808702. Its totient is φ = 4483991808.

The previous prime is 9813650449. The next prime is 9813650453. The reversal of 9813650452 is 2540563189.

It can be written as a sum of positive squares in 3 ways, for example, as 6171045136 + 3642605316 = 78556^2 + 60354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9813650399 and 9813650408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9813650453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20487549 + ... + 20488027.

Almost surely, 2^9813650452 is an apocalyptic number.

It is an amenable number.

9813650452 is a deficient number, since it is larger than the sum of its proper divisors (8962158250).

9813650452 is a wasteful number, since it uses less digits than its factorization.

9813650452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 9813650452 is about 99063.8705684368. The cubic root of 9813650452 is about 2140.9680928643.

The spelling of 9813650452 in words is "nine billion, eight hundred thirteen million, six hundred fifty thousand, four hundred fifty-two".