13889766043812 has 48 divisors (see below), whose sum is σ = 32435800488000. Its totient is φ = 4626159757440.

The previous prime is 13889766043709. The next prime is 13889766043859. The reversal of 13889766043812 is 21834066798831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75416814 + ... + 75600762.

It is an arithmetic number, because the mean of its divisors is an integer number (675745843500).

Almost surely, 2^{13889766043812} is an apocalyptic number.

13889766043812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13889766043812 is an abundant number, since it is smaller than the sum of its proper divisors (18546034444188).

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

13889766043812 is a wasteful number, since it uses less digits than its factorization.

13889766043812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189036 (or 189034 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 66.

The spelling of 13889766043812 in words is "thirteen trillion, eight hundred eighty-nine billion, seven hundred sixty-six million, forty-three thousand, eight hundred twelve".