13039581768 has 32 divisors (see below), whose sum is σ = 32601765600. Its totient is φ = 4346152448.

The previous prime is 13039581767. The next prime is 13039581787. The reversal of 13039581768 is 86718593031.

It is a self number, because there is not a number n which added to its sum of digits gives 13039581768.

It is not an unprimeable number, because it can be changed into a prime (13039581767) 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 in 7 ways as a sum of consecutive naturals, for example, 493255 + ... + 519017.

It is an arithmetic number, because the mean of its divisors is an integer number (1018805175).

Almost surely, 2^13039581768 is an apocalyptic number.

It is an amenable number.

13039581768 is an abundant number, since it is smaller than the sum of its proper divisors (19562183832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13039581768 is a wasteful number, since it uses less digits than its factorization.

13039581768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46861 (or 46857 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 13039581768 in words is "thirteen billion, thirty-nine million, five hundred eighty-one thousand, seven hundred sixty-eight".