13989489594 has 64 divisors (see below), whose sum is σ = 30830837760. Its totient is φ = 4212077760.

The previous prime is 13989489559. The next prime is 13989489599. The reversal of 13989489594 is 49598498931.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (13989489599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822759 + ... + 839589.

It is an arithmetic number, because the mean of its divisors is an integer number (481731840).

Almost surely, 2^13989489594 is an apocalyptic number.

13989489594 is an abundant number, since it is smaller than the sum of its proper divisors (16841348166).

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

13989489594 is a wasteful number, since it uses less digits than its factorization.

13989489594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17195.

The product of its digits is 100776960, while the sum is 69.

The spelling of 13989489594 in words is "thirteen billion, nine hundred eighty-nine million, four hundred eighty-nine thousand, five hundred ninety-four".