13693722448 has 40 divisors (see below), whose sum is σ = 30360056832. Its totient is φ = 5861336448.

The previous prime is 13693722443. The next prime is 13693722491. The reversal of 13693722448 is 84422739631.

It is a super-2 number, since 2×13693722448² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13693722443) 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, 12561 + ... + 165967.

Almost surely, 2^13693722448 is an apocalyptic number.

It is an amenable number.

13693722448 is an abundant number, since it is smaller than the sum of its proper divisors (16666334384).

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

13693722448 is a wasteful number, since it uses less digits than its factorization.

13693722448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154219 (or 154213 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The spelling of 13693722448 in words is "thirteen billion, six hundred ninety-three million, seven hundred twenty-two thousand, four hundred forty-eight".