13279773494 has 8 divisors (see below), whose sum is σ = 21451941840. Its totient is φ = 6129126216.

The previous prime is 13279773443. The next prime is 13279773509. The reversal of 13279773494 is 49437797231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255380234 + ... + 255380285.

It is an arithmetic number, because the mean of its divisors is an integer number (2681492730).

Almost surely, 2^13279773494 is an apocalyptic number.

13279773494 is a deficient number, since it is larger than the sum of its proper divisors (8172168346).

13279773494 is a wasteful number, since it uses less digits than its factorization.

13279773494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510760534.

The product of its digits is 8001504, while the sum is 56.

The spelling of 13279773494 in words is "thirteen billion, two hundred seventy-nine million, seven hundred seventy-three thousand, four hundred ninety-four".