13007748544 has 42 divisors (see below), whose sum is σ = 30026503320. Its totient is φ = 5574748032.

The previous prime is 13007748499. The next prime is 13007748557. The reversal of 13007748544 is 44584770031.

It is a self number, because there is not a number n which added to its sum of digits gives 13007748544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2070804 + ... + 2077075.

Almost surely, 2^13007748544 is an apocalyptic number.

13007748544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13007748544 is an abundant number, since it is smaller than the sum of its proper divisors (17018754776).

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

13007748544 is an equidigital number, since it uses as much as digits as its factorization.

13007748544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147905 (or 4147888 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 13007748544 in words is "thirteen billion, seven million, seven hundred forty-eight thousand, five hundred forty-four".