13655641900 has 36 divisors (see below), whose sum is σ = 29712268432. Its totient is φ = 5447597760.

The previous prime is 13655641891. The next prime is 13655641919. The reversal of 13655641900 is 914655631.

It is a happy number.

It is a super-2 number, since 2×13655641900² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145752 + ... + 220351.

Almost surely, 2^13655641900 is an apocalyptic number.

13655641900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13655641900 is an abundant number, since it is smaller than the sum of its proper divisors (16056626532).

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

13655641900 is a wasteful number, since it uses less digits than its factorization.

13655641900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366490 (or 366483 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 13655641900 in words is "thirteen billion, six hundred fifty-five million, six hundred forty-one thousand, nine hundred".