13989209760 has 96 divisors (see below), whose sum is σ = 48962249280. Its totient is φ = 3730454784.

The previous prime is 13989209719. The next prime is 13989209777. The reversal of 13989209760 is 6790298931.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 13989209697 and 13989209706.

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, 1614802 + ... + 1623441.

It is an arithmetic number, because the mean of its divisors is an integer number (510023430).

Almost surely, 2^13989209760 is an apocalyptic number.

13989209760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13989209760 is an abundant number, since it is smaller than the sum of its proper divisors (34973039520).

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

13989209760 is a wasteful number, since it uses less digits than its factorization.

13989209760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238267 (or 3238253 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 13989209760 in words is "thirteen billion, nine hundred eighty-nine million, two hundred nine thousand, seven hundred sixty".