14677636921 has 8 divisors (see below), whose sum is σ = 15317527680. Its totient is φ = 14037890592.

The previous prime is 14677636907. The next prime is 14677636927. The reversal of 14677636921 is 12963677641.

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

It is not a de Polignac number, because 14677636921 - 2⁷ = 14677636793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14677636927) 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, 206260 + ... + 268138.

It is an arithmetic number, because the mean of its divisors is an integer number (1914690960).

Almost surely, 2^14677636921 is an apocalyptic number.

It is an amenable number.

14677636921 is a deficient number, since it is larger than the sum of its proper divisors (639890759).

14677636921 is a wasteful number, since it uses less digits than its factorization.

14677636921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72215.

The product of its digits is 2286144, while the sum is 52.

The spelling of 14677636921 in words is "fourteen billion, six hundred seventy-seven million, six hundred thirty-six thousand, nine hundred twenty-one".