2638814812 has 12 divisors (see below), whose sum is σ = 4716180000. Its totient is φ = 1291334816.

The previous prime is 2638814809. The next prime is 2638814881. The reversal of 2638814812 is 2184188362.

It is a happy number.

2638814812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2638814812² = 13926687224061190688, which contains 22 as substring.

It is a congruent number.

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, 7017937 + ... + 7018312.

It is an arithmetic number, because the mean of its divisors is an integer number (393015000).

Almost surely, 2^2638814812 is an apocalyptic number.

It is an amenable number.

2638814812 is a deficient number, since it is larger than the sum of its proper divisors (2077365188).

2638814812 is a wasteful number, since it uses less digits than its factorization.

2638814812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14036300 (or 14036298 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 2638814812 is about 51369.3956748568. The cubic root of 2638814812 is about 1381.8777930576.

The spelling of 2638814812 in words is "two billion, six hundred thirty-eight million, eight hundred fourteen thousand, eight hundred twelve".