13866989610 has 32 divisors (see below), whose sum is σ = 33284157120. Its totient is φ = 3697488128.

The previous prime is 13866989599. The next prime is 13866989683. The reversal of 13866989610 is 1698966831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404521 + ... + 437459.

It is an arithmetic number, because the mean of its divisors is an integer number (1040129910).

Almost surely, 2^13866989610 is an apocalyptic number.

13866989610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13866989610 is an abundant number, since it is smaller than the sum of its proper divisors (19417167510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13866989610 is a wasteful number, since it uses less digits than its factorization.

13866989610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46982.

The product of its (nonzero) digits is 3359232, while the sum is 57.

It can be divided in two parts, 1386 and 6989610, that added together give a palindrome (6990996).

The spelling of 13866989610 in words is "thirteen billion, eight hundred sixty-six million, nine hundred eighty-nine thousand, six hundred ten".