2971491376 has 20 divisors (see below), whose sum is σ = 6579731152. Its totient is φ = 1273496256.

The previous prime is 2971491337. The next prime is 2971491427. The reversal of 2971491376 is 6731941792.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13265475 + ... + 13265698.

Almost surely, 2^2971491376 is an apocalyptic number.

It is an amenable number.

2971491376 is an abundant number, since it is smaller than the sum of its proper divisors (3608239776).

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

2971491376 is a wasteful number, since it uses less digits than its factorization.

2971491376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26531188 (or 26531182 counting only the distinct ones).

The product of its digits is 571536, while the sum is 49.

The square root of 2971491376 is about 54511.3875809450. The cubic root of 2971491376 is about 1437.6665164735. Note that the first 3 decimals are identical.

The spelling of 2971491376 in words is "two billion, nine hundred seventy-one million, four hundred ninety-one thousand, three hundred seventy-six".