13643426135616 has 56 divisors (see below), whose sum is σ = 36319693277664. Its totient is φ = 4519908034560.

The previous prime is 13643426135579. The next prime is 13643426135659. The reversal of 13643426135616 is 61653162434631.

It is a super-2 number, since 2×13643426135616² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217942665 + ... + 218005256.

Almost surely, 2^{13643426135616} is an apocalyptic number.

13643426135616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13643426135616 is an abundant number, since it is smaller than the sum of its proper divisors (22676267142048).

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

13643426135616 is a wasteful number, since it uses less digits than its factorization.

13643426135616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435948099 (or 435948089 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 51.

The spelling of 13643426135616 in words is "thirteen trillion, six hundred forty-three billion, four hundred twenty-six million, one hundred thirty-five thousand, six hundred sixteen".