2972105856 has 96 divisors (see below), whose sum is σ = 9002744400. Its totient is φ = 938552832.

The previous prime is 2972105849. The next prime is 2972105881. The reversal of 2972105856 is 6585012792.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46006 + ... + 89781.

Almost surely, 2^2972105856 is an apocalyptic number.

It is an amenable number.

2972105856 is an abundant number, since it is smaller than the sum of its proper divisors (6030638544).

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

2972105856 is a wasteful number, since it uses less digits than its factorization.

2972105856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135826 (or 135811 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 2972105856 is about 54517.0235431099. The cubic root of 2972105856 is about 1437.7656088508.

The spelling of 2972105856 in words is "two billion, nine hundred seventy-two million, one hundred five thousand, eight hundred fifty-six".