13969157632 has 80 divisors (see below), whose sum is σ = 28507081680. Its totient is φ = 6837010432.

The previous prime is 13969157627. The next prime is 13969157647. The reversal of 13969157632 is 23675196931.

It is a self number, because there is not a number n which added to its sum of digits gives 13969157632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4800594 + ... + 4803502.

It is an arithmetic number, because the mean of its divisors is an integer number (356338521).

Almost surely, 2^13969157632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13969157632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14253540840).

13969157632 is an abundant number, since it is smaller than the sum of its proper divisors (14537924048).

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

13969157632 is an equidigital number, since it uses as much as digits as its factorization.

13969157632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123 (or 3107 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 52.

The spelling of 13969157632 in words is "thirteen billion, nine hundred sixty-nine million, one hundred fifty-seven thousand, six hundred thirty-two".