13617670542 has 64 divisors (see below), whose sum is σ = 31314816000. Its totient is φ = 3867252480.

The previous prime is 13617670529. The next prime is 13617670589. The reversal of 13617670542 is 24507671631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 13617670494 and 13617670503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5341084 + ... + 5343632.

It is an arithmetic number, because the mean of its divisors is an integer number (489294000).

Almost surely, 2^13617670542 is an apocalyptic number.

13617670542 is an abundant number, since it is smaller than the sum of its proper divisors (17697145458).

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

13617670542 is a wasteful number, since it uses less digits than its factorization.

13617670542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 13617670542 in words is "thirteen billion, six hundred seventeen million, six hundred seventy thousand, five hundred forty-two".