2518939393912 has 32 divisors (see below), whose sum is σ = 4760648363520. Its totient is φ = 1249435031040.

The previous prime is 2518939393903. The next prime is 2518939393933. The reversal of 2518939393912 is 2193939398152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11228508 + ... + 11450644.

It is an arithmetic number, because the mean of its divisors is an integer number (148770261360).

Almost surely, 2^{2518939393912} is an apocalyptic number.

It is an amenable number.

2518939393912 is a deficient number, since it is larger than the sum of its proper divisors (2241708969608).

2518939393912 is a wasteful number, since it uses less digits than its factorization.

2518939393912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233431 (or 233427 counting only the distinct ones).

The product of its digits is 28343520, while the sum is 64.

The spelling of 2518939393912 in words is "two trillion, five hundred eighteen billion, nine hundred thirty-nine million, three hundred ninety-three thousand, nine hundred twelve".