13109457637664 has 24 divisors (see below), whose sum is σ = 25821719114940. Its totient is φ = 6551560719616.

The previous prime is 13109457637637. The next prime is 13109457637699. The reversal of 13109457637664 is 46673675490131.

It can be written as a sum of positive squares in 2 ways, for example, as 9843153264400 + 3266304373264 = 3137380^2 + 1807292^2 .

It is a super-2 number, since 2×13109457637664² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13109457637597 and 13109457637606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98935859 + ... + 99068274.

Almost surely, 2^{13109457637664} is an apocalyptic number.

It is an amenable number.

13109457637664 is a deficient number, since it is larger than the sum of its proper divisors (12712261477276).

13109457637664 is a wasteful number, since it uses less digits than its factorization.

13109457637664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198006212 (or 198006204 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 62.

The spelling of 13109457637664 in words is "thirteen trillion, one hundred nine billion, four hundred fifty-seven million, six hundred thirty-seven thousand, six hundred sixty-four".