990976315005 has 12 divisors (see below), whose sum is σ = 1717692279420. Its totient is φ = 528520701312.

The previous prime is 990976314967. The next prime is 990976315051. The reversal of 990976315005 is 500513679099.

It can be written as a sum of positive squares in 2 ways, for example, as 299188214361 + 691788100644 = 546981^2 + 831738^2 .

It is not a de Polignac number, because 990976315005 - 2¹¹ = 990976312957 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11010847900 + ... + 11010847989.

It is an arithmetic number, because the mean of its divisors is an integer number (143141023285).

Almost surely, 2^990976315005 is an apocalyptic number.

It is an amenable number.

990976315005 is a deficient number, since it is larger than the sum of its proper divisors (726715964415).

990976315005 is a wasteful number, since it uses less digits than its factorization.

990976315005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22021695900 (or 22021695897 counting only the distinct ones).

The product of its (nonzero) digits is 2296350, while the sum is 54.

The spelling of 990976315005 in words is "nine hundred ninety billion, nine hundred seventy-six million, three hundred fifteen thousand, five".