6291952872 has 64 divisors (see below), whose sum is σ = 15968870400. Its totient is φ = 2065694400.

The previous prime is 6291952819. The next prime is 6291952873. The reversal of 6291952872 is 2782591926.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6291952873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416247 + ... + 431097.

It is an arithmetic number, because the mean of its divisors is an integer number (249513600).

Almost surely, 2^6291952872 is an apocalyptic number.

It is an amenable number.

6291952872 is an abundant number, since it is smaller than the sum of its proper divisors (9676917528).

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

6291952872 is a wasteful number, since it uses less digits than its factorization.

6291952872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15126 (or 15122 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 6291952872 is about 79321.8309924828. The cubic root of 6291952872 is about 1846.1280471726.

The spelling of 6291952872 in words is "six billion, two hundred ninety-one million, nine hundred fifty-two thousand, eight hundred seventy-two".