13657068704 has 12 divisors (see below), whose sum is σ = 26887354074. Its totient is φ = 6828534336.

The previous prime is 13657068701. The next prime is 13657068713. The reversal of 13657068704 is 40786075631.

It can be written as a sum of positive squares in only one way, i.e., 13294090000 + 362978704 = 115300^2 + 19052^2 .

It is not an unprimeable number, because it can be changed into a prime (13657068701) by changing a digit.

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 as a sum of consecutive naturals, namely, 213391667 + ... + 213391730.

Almost surely, 2^13657068704 is an apocalyptic number.

It is an amenable number.

13657068704 is a deficient number, since it is larger than the sum of its proper divisors (13230285370).

13657068704 is an equidigital number, since it uses as much as digits as its factorization.

13657068704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426783407 (or 426783399 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 13657068704 in words is "thirteen billion, six hundred fifty-seven million, sixty-eight thousand, seven hundred four".