21386882662 has 8 divisors (see below), whose sum is σ = 32091030000. Its totient is φ = 10689872664.

The previous prime is 21386882653. The next prime is 21386882663. The reversal of 21386882662 is 26628868312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21386882663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776837 + ... + 1788832.

It is an arithmetic number, because the mean of its divisors is an integer number (4011378750).

Almost surely, 2^21386882662 is an apocalyptic number.

21386882662 is a deficient number, since it is larger than the sum of its proper divisors (10704147338).

21386882662 is a wasteful number, since it uses less digits than its factorization.

21386882662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568670.

The product of its digits is 2654208, while the sum is 52.

The spelling of 21386882662 in words is "twenty-one billion, three hundred eighty-six million, eight hundred eighty-two thousand, six hundred sixty-two".