13481599377 has 16 divisors (see below), whose sum is σ = 18494340480. Its totient is φ = 8730211200.

The previous prime is 13481599363. The next prime is 13481599379. The reversal of 13481599377 is 77399518431.

It is not a de Polignac number, because 13481599377 - 2²⁶ = 13414490513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13481599379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211149 + ... + 267482.

It is an arithmetic number, because the mean of its divisors is an integer number (1155896280).

Almost surely, 2^13481599377 is an apocalyptic number.

It is an amenable number.

13481599377 is a deficient number, since it is larger than the sum of its proper divisors (5012741103).

13481599377 is a wasteful number, since it uses less digits than its factorization.

13481599377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478904.

The product of its digits is 5715360, while the sum is 57.

The spelling of 13481599377 in words is "thirteen billion, four hundred eighty-one million, five hundred ninety-nine thousand, three hundred seventy-seven".