13699745792 has 48 divisors (see below), whose sum is σ = 27700955100. Its totient is φ = 6772817920.

The previous prime is 13699745789. The next prime is 13699745803. The reversal of 13699745792 is 29754799631.

It can be written as a sum of positive squares in 2 ways, for example, as 12883158016 + 816587776 = 113504^2 + 28576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144692 + ... + 219852.

Almost surely, 2^13699745792 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 13699745792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13850477550).

13699745792 is an abundant number, since it is smaller than the sum of its proper divisors (14001209308).

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

13699745792 is an frugal number, since it uses more digits than its factorization.

13699745792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75272 (or 75252 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 62.

The spelling of 13699745792 in words is "thirteen billion, six hundred ninety-nine million, seven hundred forty-five thousand, seven hundred ninety-two".