2981972315 has 16 divisors (see below), whose sum is σ = 4141332480. Its totient is φ = 2018895840.

The previous prime is 2981972303. The next prime is 2981972321. The reversal of 2981972315 is 5132791892.

It is a happy number.

It is not a de Polignac number, because 2981972315 - 2²⁴ = 2965195099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2981972315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536471 + ... + 542000.

It is an arithmetic number, because the mean of its divisors is an integer number (258833280).

Almost surely, 2^2981972315 is an apocalyptic number.

2981972315 is a deficient number, since it is larger than the sum of its proper divisors (1159360165).

2981972315 is a wasteful number, since it uses less digits than its factorization.

2981972315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078562.

The product of its digits is 272160, while the sum is 47.

The square root of 2981972315 is about 54607.4382753852. The cubic root of 2981972315 is about 1439.3548284923.

The spelling of 2981972315 in words is "two billion, nine hundred eighty-one million, nine hundred seventy-two thousand, three hundred fifteen".