13376263921 has 8 divisors (see below), whose sum is σ = 13512885120. Its totient is φ = 13239963072.

The previous prime is 13376263903. The next prime is 13376263933. The reversal of 13376263921 is 12936267331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13376263921 - 2⁵ = 13376263889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13376260921) 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, 4300 + ... + 163618.

It is an arithmetic number, because the mean of its divisors is an integer number (1689110640).

Almost surely, 2^13376263921 is an apocalyptic number.

It is an amenable number.

13376263921 is a deficient number, since it is larger than the sum of its proper divisors (136621199).

13376263921 is a wasteful number, since it uses less digits than its factorization.

13376263921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160175.

The product of its digits is 244944, while the sum is 43.

The spelling of 13376263921 in words is "thirteen billion, three hundred seventy-six million, two hundred sixty-three thousand, nine hundred twenty-one".