2639012712 has 64 divisors (see below), whose sum is σ = 7545648000. Its totient is φ = 753442560.

The previous prime is 2639012687. The next prime is 2639012723. The reversal of 2639012712 is 2172109362.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255162 + ... + 265302.

It is an arithmetic number, because the mean of its divisors is an integer number (117900750).

Almost surely, 2^2639012712 is an apocalyptic number.

It is an amenable number.

2639012712 is an abundant number, since it is smaller than the sum of its proper divisors (4906635288).

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

2639012712 is a wasteful number, since it uses less digits than its factorization.

2639012712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11706 (or 11702 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2639012712 is about 51371.3218829339. The cubic root of 2639012712 is about 1381.9123371994.

The spelling of 2639012712 in words is "two billion, six hundred thirty-nine million, twelve thousand, seven hundred twelve".