13999785048722 has 54 divisors (see below), whose sum is σ = 24363012027879. Its totient is φ = 6028139339640.

The previous prime is 13999785048719. The next prime is 13999785048727. The reversal of 13999785048722 is 22784058799931.

It can be written as a sum of positive squares in only one way, i.e., 6999892524361 + 6999892524361 = 2645731^2 + 2645731^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2645731.

It is a self number, because there is not a number n which added to its sum of digits gives 13999785048722.

It is not an unprimeable number, because it can be changed into a prime (13999785048727) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1105909229 + ... + 1105921887.

Almost surely, 2^{13999785048722} is an apocalyptic number.

13999785048722 is a deficient number, since it is larger than the sum of its proper divisors (10363226979157).

13999785048722 is an frugal number, since it uses more digits than its factorization.

13999785048722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25380 (or 12691 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 74.

The spelling of 13999785048722 in words is "thirteen trillion, nine hundred ninety-nine billion, seven hundred eighty-five million, forty-eight thousand, seven hundred twenty-two".