9121953108 has 24 divisors (see below), whose sum is σ = 21289135840. Its totient is φ = 3039996960.

The previous prime is 9121953107. The next prime is 9121953133. The reversal of 9121953108 is 8013591219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9121953107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21898 + ... + 136833.

Almost surely, 2^9121953108 is an apocalyptic number.

It is an amenable number.

9121953108 is an abundant number, since it is smaller than the sum of its proper divisors (12167182732).

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

9121953108 is a wasteful number, since it uses less digits than its factorization.

9121953108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163527 (or 163525 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 9121953108 is about 95508.9163795716. The cubic root of 9121953108 is about 2089.4369879122.

The spelling of 9121953108 in words is "nine billion, one hundred twenty-one million, nine hundred fifty-three thousand, one hundred eight".