13641558662 has 4 divisors (see below), whose sum is σ = 20462337996. Its totient is φ = 6820779330.

The previous prime is 13641558661. The next prime is 13641558683. The reversal of 13641558662 is 26685514631.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13641558661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3410389664 + ... + 3410389667.

It is an arithmetic number, because the mean of its divisors is an integer number (5115584499).

Almost surely, 2^13641558662 is an apocalyptic number.

13641558662 is a deficient number, since it is larger than the sum of its proper divisors (6820779334).

13641558662 is an equidigital number, since it uses as much as digits as its factorization.

13641558662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6820779333.

The product of its digits is 1036800, while the sum is 47.

The spelling of 13641558662 in words is "thirteen billion, six hundred forty-one million, five hundred fifty-eight thousand, six hundred sixty-two".