9951233090 has 32 divisors (see below), whose sum is σ = 18860696640. Its totient is φ = 3769848000.

The previous prime is 9951233081. The next prime is 9951233093. The reversal of 9951233090 is 903321599.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9951233093) 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, 878060 + ... + 889320.

It is an arithmetic number, because the mean of its divisors is an integer number (589396770).

Almost surely, 2^9951233090 is an apocalyptic number.

9951233090 is a deficient number, since it is larger than the sum of its proper divisors (8909463550).

9951233090 is a wasteful number, since it uses less digits than its factorization.

9951233090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 9951233090 is about 99755.8674464816. The cubic root of 9951233090 is about 2150.9268108018.

The spelling of 9951233090 in words is "nine billion, nine hundred fifty-one million, two hundred thirty-three thousand, ninety".