2151256496 has 20 divisors (see below), whose sum is σ = 4169233152. Its totient is φ = 1075325376.

The previous prime is 2151256489. The next prime is 2151256519. The reversal of 2151256496 is 6946521512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46526 + ... + 80418.

Almost surely, 2^2151256496 is an apocalyptic number.

It is an amenable number.

2151256496 is a deficient number, since it is larger than the sum of its proper divisors (2017976656).

2151256496 is a wasteful number, since it uses less digits than its factorization.

2151256496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37868 (or 37862 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 2151256496 is about 46381.6396432899. The cubic root of 2151256496 is about 1290.9142600431.

The spelling of 2151256496 in words is "two billion, one hundred fifty-one million, two hundred fifty-six thousand, four hundred ninety-six".