13332647638 has 8 divisors (see below), whose sum is σ = 20424481632. Its totient is φ = 6524487096.

The previous prime is 13332647621. The next prime is 13332647641. The reversal of 13332647638 is 83674623331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70918245 + ... + 70918432.

It is an arithmetic number, because the mean of its divisors is an integer number (2553060204).

Almost surely, 2^13332647638 is an apocalyptic number.

13332647638 is a deficient number, since it is larger than the sum of its proper divisors (7091833994).

13332647638 is a wasteful number, since it uses less digits than its factorization.

13332647638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141836726.

The product of its digits is 1306368, while the sum is 46.

The spelling of 13332647638 in words is "thirteen billion, three hundred thirty-two million, six hundred forty-seven thousand, six hundred thirty-eight".