13663957992 has 16 divisors (see below), whose sum is σ = 34159895040. Its totient is φ = 4554652656.

The previous prime is 13663957987. The next prime is 13663958041. The reversal of 13663957992 is 29975936631.

It is a super-3 number, since 3×13663957992³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284665768 + ... + 284665815.

It is an arithmetic number, because the mean of its divisors is an integer number (2134993440).

Almost surely, 2^13663957992 is an apocalyptic number.

13663957992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13663957992 is an abundant number, since it is smaller than the sum of its proper divisors (20495937048).

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

13663957992 is a wasteful number, since it uses less digits than its factorization.

13663957992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569331592 (or 569331588 counting only the distinct ones).

The product of its digits is 16533720, while the sum is 60.

The spelling of 13663957992 in words is "thirteen billion, six hundred sixty-three million, nine hundred fifty-seven thousand, nine hundred ninety-two".