13671640233 has 24 divisors (see below), whose sum is σ = 19895331456. Its totient is φ = 9046615200.

The previous prime is 13671640211. The next prime is 13671640277. The reversal of 13671640233 is 33204617631.

13671640233 is a `hidden beast` number, since 1 + 3 + 6 + 7 + 1 + 640 + 2 + 3 + 3 = 666.

It is not a de Polignac number, because 13671640233 - 2²⁰ = 13670591657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13671640733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755218 + ... + 773108.

It is an arithmetic number, because the mean of its divisors is an integer number (828972144).

Almost surely, 2^13671640233 is an apocalyptic number.

It is an amenable number.

13671640233 is a deficient number, since it is larger than the sum of its proper divisors (6223691223).

13671640233 is a wasteful number, since it uses less digits than its factorization.

13671640233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18525 (or 18522 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 13671640233 in words is "thirteen billion, six hundred seventy-one million, six hundred forty thousand, two hundred thirty-three".