13641550356 has 48 divisors (see below), whose sum is σ = 36385421184. Its totient is φ = 3896733696.

The previous prime is 13641550319. The next prime is 13641550357. The reversal of 13641550356 is 65305514631.

It is a super-2 number, since 2×13641550356² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13641550357) 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, 437956 + ... + 468068.

It is an arithmetic number, because the mean of its divisors is an integer number (758029608).

Almost surely, 2^13641550356 is an apocalyptic number.

It is an amenable number.

13641550356 is an abundant number, since it is smaller than the sum of its proper divisors (22743870828).

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

13641550356 is a wasteful number, since it uses less digits than its factorization.

13641550356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35520 (or 35518 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 13641550356 in words is "thirteen billion, six hundred forty-one million, five hundred fifty thousand, three hundred fifty-six".