13071313549 has 48 divisors (see below), whose sum is σ = 16985142720. Its totient is φ = 9967587840.

The previous prime is 13071313547. The next prime is 13071313589. The reversal of 13071313549 is 94531317031.

It is not a de Polignac number, because 13071313549 - 2¹ = 13071313547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13071313547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11980494 + ... + 11981584.

It is an arithmetic number, because the mean of its divisors is an integer number (353857140).

Almost surely, 2^13071313549 is an apocalyptic number.

13071313549 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13071313549 is a deficient number, since it is larger than the sum of its proper divisors (3913829171).

13071313549 is a wasteful number, since it uses less digits than its factorization.

13071313549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The spelling of 13071313549 in words is "thirteen billion, seventy-one million, three hundred thirteen thousand, five hundred forty-nine".