13632021371 has 16 divisors (see below), whose sum is σ = 14565196800. Its totient is φ = 12720758400.

The previous prime is 13632021289. The next prime is 13632021373. The reversal of 13632021371 is 17312023631.

It is a de Polignac number, because none of the positive numbers 2^k-13632021371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13632021373) 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, 1656515 + ... + 1664723.

It is an arithmetic number, because the mean of its divisors is an integer number (910324800).

Almost surely, 2^13632021371 is an apocalyptic number.

13632021371 is a deficient number, since it is larger than the sum of its proper divisors (933175429).

13632021371 is a wasteful number, since it uses less digits than its factorization.

13632021371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 13632021371 in words is "thirteen billion, six hundred thirty-two million, twenty-one thousand, three hundred seventy-one".