2534391864 has 48 divisors (see below), whose sum is σ = 6875668800. Its totient is φ = 843358464.

The previous prime is 2534391829. The next prime is 2534391901. The reversal of 2534391864 is 4681934352.

2534391864 is a `hidden beast` number, since 2 + 534 + 39 + 1 + 86 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13017 + ... + 72375.

It is an arithmetic number, because the mean of its divisors is an integer number (143243100).

Almost surely, 2^2534391864 is an apocalyptic number.

2534391864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2534391864 is an abundant number, since it is smaller than the sum of its proper divisors (4341276936).

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

2534391864 is a wasteful number, since it uses less digits than its factorization.

2534391864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59964 (or 59957 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 2534391864 is about 50342.7439061480. The cubic root of 2534391864 is about 1363.4040777382.

The spelling of 2534391864 in words is "two billion, five hundred thirty-four million, three hundred ninety-one thousand, eight hundred sixty-four".