13904851968 has 264 divisors, whose sum is σ = 46585003712. Its totient is φ = 3912302592.

The previous prime is 13904851913. The next prime is 13904851969. The reversal of 13904851968 is 86915840931.

13904851968 is a `hidden beast` number, since 1 + 3 + 90 + 485 + 19 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904851969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4320696 + ... + 4323912.

Almost surely, 2^13904851968 is an apocalyptic number.

13904851968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13904851968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23292501856).

13904851968 is an abundant number, since it is smaller than the sum of its proper divisors (32680151744).

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

13904851968 is a wasteful number, since it uses less digits than its factorization.

13904851968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317 (or 3296 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 13904851968 in words is "thirteen billion, nine hundred four million, eight hundred fifty-one thousand, nine hundred sixty-eight".