990723896295 has 16 divisors (see below), whose sum is σ = 1811609410560. Its totient is φ = 452902352544.

The previous prime is 990723896293. The next prime is 990723896329. The reversal of 990723896295 is 592698327099.

It is not a de Polignac number, because 990723896295 - 2¹ = 990723896293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990723896293) 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, 4717732735 + ... + 4717732944.

It is an arithmetic number, because the mean of its divisors is an integer number (113225588160).

Almost surely, 2^990723896295 is an apocalyptic number.

990723896295 is a deficient number, since it is larger than the sum of its proper divisors (820885514265).

990723896295 is a wasteful number, since it uses less digits than its factorization.

990723896295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9435465694.

The product of its (nonzero) digits is 132269760, while the sum is 69.

The spelling of 990723896295 in words is "nine hundred ninety billion, seven hundred twenty-three million, eight hundred ninety-six thousand, two hundred ninety-five".