13383972244 has 6 divisors (see below), whose sum is σ = 23421951434. Its totient is φ = 6691986120.

The previous prime is 13383972197. The next prime is 13383972247. The reversal of 13383972244 is 44227938331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7880112900 + 5503859344 = 88770^2 + 74188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13383972194 and 13383972203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13383972247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672996527 + ... + 1672996534.

Almost surely, 2^13383972244 is an apocalyptic number.

It is an amenable number.

13383972244 is a deficient number, since it is larger than the sum of its proper divisors (10037979190).

13383972244 is a wasteful number, since it uses less digits than its factorization.

13383972244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345993065 (or 3345993063 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The spelling of 13383972244 in words is "thirteen billion, three hundred eighty-three million, nine hundred seventy-two thousand, two hundred forty-four".