13980881750 has 32 divisors (see below), whose sum is σ = 28551508128. Its totient is φ = 5083956000.

The previous prime is 13980881749. The next prime is 13980881767. The reversal of 13980881750 is 5718808931.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent 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, 2539229 + ... + 2544728.

It is an arithmetic number, because the mean of its divisors is an integer number (892234629).

Almost surely, 2^13980881750 is an apocalyptic number.

13980881750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13980881750 is an abundant number, since it is smaller than the sum of its proper divisors (14570626378).

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

13980881750 is a wasteful number, since it uses less digits than its factorization.

13980881750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083985 (or 5083975 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 13980881750 in words is "thirteen billion, nine hundred eighty million, eight hundred eighty-one thousand, seven hundred fifty".