13391765488 has 20 divisors (see below), whose sum is σ = 25948370448. Its totient is φ = 6695411840.

The previous prime is 13391765441. The next prime is 13391765503. The reversal of 13391765488 is 88456719331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366948 + ... + 401788.

Almost surely, 2^13391765488 is an apocalyptic number.

It is an amenable number.

13391765488 is a deficient number, since it is larger than the sum of its proper divisors (12556604960).

13391765488 is a wasteful number, since it uses less digits than its factorization.

13391765488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58872 (or 58866 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 13391765488 in words is "thirteen billion, three hundred ninety-one million, seven hundred sixty-five thousand, four hundred eighty-eight".