12799521614 has 64 divisors (see below), whose sum is σ = 22288379904. Its totient is φ = 5458080000.

The previous prime is 12799521613. The next prime is 12799521617. The reversal of 12799521614 is 41612599721.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12799521611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4668284 + ... + 4671024.

It is an arithmetic number, because the mean of its divisors is an integer number (348255936).

Almost surely, 2^12799521614 is an apocalyptic number.

12799521614 is a deficient number, since it is larger than the sum of its proper divisors (9488858290).

12799521614 is a wasteful number, since it uses less digits than its factorization.

12799521614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993.

The product of its digits is 272160, while the sum is 47.

The spelling of 12799521614 in words is "twelve billion, seven hundred ninety-nine million, five hundred twenty-one thousand, six hundred fourteen".