13845673644 has 48 divisors (see below), whose sum is σ = 35251009920. Its totient is φ = 4194768640.

The previous prime is 13845673619. The next prime is 13845673651. The reversal of 13845673644 is 44637654831.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887092 + ... + 902564.

It is an arithmetic number, because the mean of its divisors is an integer number (734396040).

Almost surely, 2^13845673644 is an apocalyptic number.

It is an amenable number.

13845673644 is an abundant number, since it is smaller than the sum of its proper divisors (21405336276).

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

13845673644 is a wasteful number, since it uses less digits than its factorization.

13845673644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22270 (or 22268 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 51.

The spelling of 13845673644 in words is "thirteen billion, eight hundred forty-five million, six hundred seventy-three thousand, six hundred forty-four".