13036763668 has 24 divisors (see below), whose sum is σ = 23662956744. Its totient is φ = 6279408000.

The previous prime is 13036763647. The next prime is 13036763681. The reversal of 13036763668 is 86636763031.

It can be written as a sum of positive squares in 4 ways, for example, as 7066419844 + 5970343824 = 84062^2 + 77268^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421123 + ... + 451018.

It is an arithmetic number, because the mean of its divisors is an integer number (985956531).

Almost surely, 2^13036763668 is an apocalyptic number.

It is an amenable number.

13036763668 is a deficient number, since it is larger than the sum of its proper divisors (10626193076).

13036763668 is a wasteful number, since it uses less digits than its factorization.

13036763668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872283 (or 872281 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 13036763668 in words is "thirteen billion, thirty-six million, seven hundred sixty-three thousand, six hundred sixty-eight".