13989437958 has 16 divisors (see below), whose sum is σ = 28250516736. Its totient is φ = 4617872520.

The previous prime is 13989437951. The next prime is 13989438007. The reversal of 13989437958 is 85973498931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13989437951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11317698 + ... + 11318933.

It is an arithmetic number, because the mean of its divisors is an integer number (1765657296).

Almost surely, 2^13989437958 is an apocalyptic number.

13989437958 is an abundant number, since it is smaller than the sum of its proper divisors (14261078778).

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

13989437958 is a wasteful number, since it uses less digits than its factorization.

13989437958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22636739.

The product of its digits is 58786560, while the sum is 66.

The spelling of 13989437958 in words is "thirteen billion, nine hundred eighty-nine million, four hundred thirty-seven thousand, nine hundred fifty-eight".