13279163293964 has 12 divisors (see below), whose sum is σ = 23238662024088. Its totient is φ = 6639545572800.

The previous prime is 13279163293961. The next prime is 13279163293973. The reversal of 13279163293964 is 46939236197231.

It is a self number, because there is not a number n which added to its sum of digits gives 13279163293964.

It is not an unprimeable number, because it can be changed into a prime (13279163293961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8181677 + ... + 9669444.

It is an arithmetic number, because the mean of its divisors is an integer number (1936555168674).

Almost surely, 2^{13279163293964} is an apocalyptic number.

It is an amenable number.

13279163293964 is a deficient number, since it is larger than the sum of its proper divisors (9959498730124).

13279163293964 is a wasteful number, since it uses less digits than its factorization.

13279163293964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18037096 (or 18037094 counting only the distinct ones).

The product of its digits is 79361856, while the sum is 65.

The spelling of 13279163293964 in words is "thirteen trillion, two hundred seventy-nine billion, one hundred sixty-three million, two hundred ninety-three thousand, nine hundred sixty-four".