13615397674 has 16 divisors (see below), whose sum is σ = 20688318720. Its totient is φ = 6719347440.

The previous prime is 13615397671. The next prime is 13615397689. The reversal of 13615397674 is 47679351631.

It is a super-2 number, since 2×13615397674² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13615397671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546019 + ... + 570409.

It is an arithmetic number, because the mean of its divisors is an integer number (1293019920).

Almost surely, 2^13615397674 is an apocalyptic number.

13615397674 is a deficient number, since it is larger than the sum of its proper divisors (7072921046).

13615397674 is a wasteful number, since it uses less digits than its factorization.

13615397674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28005.

The product of its digits is 2857680, while the sum is 52.

The spelling of 13615397674 in words is "thirteen billion, six hundred fifteen million, three hundred ninety-seven thousand, six hundred seventy-four".