13442556436 has 12 divisors (see below), whose sum is σ = 23527646100. Its totient is φ = 6720371840.

The previous prime is 13442556301. The next prime is 13442556437. The reversal of 13442556436 is 63465524431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4657243536 + 8785312900 = 68244^2 + 93730^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13442556392 and 13442556401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442556437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192661 + ... + 252988.

It is an arithmetic number, because the mean of its divisors is an integer number (1960637175).

Almost surely, 2^13442556436 is an apocalyptic number.

It is an amenable number.

13442556436 is a deficient number, since it is larger than the sum of its proper divisors (10085089664).

13442556436 is a wasteful number, since it uses less digits than its factorization.

13442556436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453194 (or 453192 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 43.

The spelling of 13442556436 in words is "thirteen billion, four hundred forty-two million, five hundred fifty-six thousand, four hundred thirty-six".