2639014812 has 72 divisors (see below), whose sum is σ = 7633379936. Its totient is φ = 753058944.

The previous prime is 2639014811. The next prime is 2639014843. The reversal of 2639014812 is 2184109362.

2639014812 is a `hidden beast` number, since 2 + 639 + 0 + 1 + 4 + 8 + 12 = 666.

2639014812 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2639014811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208818 + ... + 221094.

Almost surely, 2^2639014812 is an apocalyptic number.

It is an amenable number.

2639014812 is an abundant number, since it is smaller than the sum of its proper divisors (4994365124).

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

2639014812 is a wasteful number, since it uses less digits than its factorization.

2639014812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13147 (or 13142 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2639014812 is about 51371.3423223493. The cubic root of 2639014812 is about 1381.9127037525.

The spelling of 2639014812 in words is "two billion, six hundred thirty-nine million, fourteen thousand, eight hundred twelve".