2152949904 has 120 divisors (see below), whose sum is σ = 7291140480. Its totient is φ = 578939904.

The previous prime is 2152949849. The next prime is 2152949959. The reversal of 2152949904 is 4099492512.

2152949904 is a `hidden beast` number, since 2 + 152 + 9 + 499 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2152949849) and next prime (2152949959).

It is a self number, because there is not a number n which added to its sum of digits gives 2152949904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45684 + ... + 79955.

It is an arithmetic number, because the mean of its divisors is an integer number (60759504).

Almost surely, 2^2152949904 is an apocalyptic number.

2152949904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2152949904 is an abundant number, since it is smaller than the sum of its proper divisors (5138190576).

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

2152949904 is a wasteful number, since it uses less digits than its factorization.

2152949904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125677 (or 125668 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 2152949904 is about 46399.8912067690. The cubic root of 2152949904 is about 1291.2528948817.

The spelling of 2152949904 in words is "two billion, one hundred fifty-two million, nine hundred forty-nine thousand, nine hundred four".