2612138964 has 48 divisors (see below), whose sum is σ = 6174221760. Its totient is φ = 859429120.

The previous prime is 2612138941. The next prime is 2612139041. The reversal of 2612138964 is 4698312162.

2612138964 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 congruent number.

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, 727654 + ... + 731234.

It is an arithmetic number, because the mean of its divisors is an integer number (128629620).

Almost surely, 2^2612138964 is an apocalyptic number.

It is an amenable number.

2612138964 is an abundant number, since it is smaller than the sum of its proper divisors (3562082796).

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

2612138964 is a wasteful number, since it uses less digits than its factorization.

2612138964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360 (or 4358 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 2612138964 is about 51109.0888590278. The cubic root of 2612138964 is about 1377.2055339203.

The spelling of 2612138964 in words is "two billion, six hundred twelve million, one hundred thirty-eight thousand, nine hundred sixty-four".