13369580521 has 48 divisors (see below), whose sum is σ = 16293602304. Its totient is φ = 10910592000.

The previous prime is 13369580513. The next prime is 13369580537. The reversal of 13369580521 is 12508596331.

It is not a de Polignac number, because 13369580521 - 2³ = 13369580513 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13369580221) 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, 4525981 + ... + 4528933.

It is an arithmetic number, because the mean of its divisors is an integer number (339450048).

Almost surely, 2^13369580521 is an apocalyptic number.

13369580521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13369580521 is a deficient number, since it is larger than the sum of its proper divisors (2924021783).

13369580521 is a wasteful number, since it uses less digits than its factorization.

13369580521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094 (or 3083 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 13369580521 in words is "thirteen billion, three hundred sixty-nine million, five hundred eighty thousand, five hundred twenty-one".