13891865084 has 12 divisors (see below), whose sum is σ = 24355704408. Its totient is φ = 6933092400.

The previous prime is 13891865083. The next prime is 13891865087. The reversal of 13891865084 is 48056819831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13891865083) 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, 3207602 + ... + 3211929.

It is an arithmetic number, because the mean of its divisors is an integer number (2029642034).

Almost surely, 2^13891865084 is an apocalyptic number.

It is an amenable number.

13891865084 is a deficient number, since it is larger than the sum of its proper divisors (10463839324).

13891865084 is a wasteful number, since it uses less digits than its factorization.

13891865084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420076 (or 6420074 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 13891865084 in words is "thirteen billion, eight hundred ninety-one million, eight hundred sixty-five thousand, eighty-four".