13613353442 has 16 divisors (see below), whose sum is σ = 22011809400. Its totient is φ = 6277084032.

The previous prime is 13613353421. The next prime is 13613353447. The reversal of 13613353442 is 24435331631.

It can be written as a sum of positive squares in 4 ways, for example, as 12795908161 + 817445281 = 113119^2 + 28591^2 .

It is not an unprimeable number, because it can be changed into a prime (13613353447) 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, 222293 + ... + 276840.

Almost surely, 2^13613353442 is an apocalyptic number.

13613353442 is a deficient number, since it is larger than the sum of its proper divisors (8398455958).

13613353442 is a wasteful number, since it uses less digits than its factorization.

13613353442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500197.

The product of its digits is 77760, while the sum is 35.

The spelling of 13613353442 in words is "thirteen billion, six hundred thirteen million, three hundred fifty-three thousand, four hundred forty-two".