9645037038 has 128 divisors (see below), whose sum is σ = 26941501440. Its totient is φ = 2489564160.

The previous prime is 9645037019. The next prime is 9645037079. The reversal of 9645037038 is 8307305469.

It is a junction number, because it is equal to n+sod(n) for n = 9645036984 and 9645037002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 210078 + ... + 251838.

It is an arithmetic number, because the mean of its divisors is an integer number (210480480).

Almost surely, 2^9645037038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9645037038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13470750720).

9645037038 is an abundant number, since it is smaller than the sum of its proper divisors (17296464402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9645037038 is a wasteful number, since it uses less digits than its factorization.

9645037038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41839 (or 41833 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 9645037038 is about 98209.1494617482. The cubic root of 9645037038 is about 2128.6354958364.

The spelling of 9645037038 in words is "nine billion, six hundred forty-five million, thirty-seven thousand, thirty-eight".