13989311476 has 48 divisors (see below), whose sum is σ = 28492369920. Its totient is φ = 5886044640.

The previous prime is 13989311467. The next prime is 13989311477. The reversal of 13989311476 is 67411398931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13989311477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460411 + ... + 489853.

It is an arithmetic number, because the mean of its divisors is an integer number (593591040).

Almost surely, 2^13989311476 is an apocalyptic number.

It is an amenable number.

13989311476 is an abundant number, since it is smaller than the sum of its proper divisors (14503058444).

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

13989311476 is a wasteful number, since it uses less digits than its factorization.

13989311476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29764 (or 29762 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The spelling of 13989311476 in words is "thirteen billion, nine hundred eighty-nine million, three hundred eleven thousand, four hundred seventy-six".