13522349997 has 12 divisors (see below), whose sum is σ = 21034766844. Its totient is φ = 8321446080.

The previous prime is 13522349969. The next prime is 13522350011. The reversal of 13522349997 is 79994322531.

13522349997 is a `hidden beast` number, since 13 + 52 + 2 + 3 + 499 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5994011241 + 7528338756 = 77421^2 + 86766^2 .

It is not a de Polignac number, because 13522349997 - 2¹⁸ = 13522087853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522349917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57787704 + ... + 57787937.

It is an arithmetic number, because the mean of its divisors is an integer number (1752897237).

Almost surely, 2^13522349997 is an apocalyptic number.

It is an amenable number.

13522349997 is a deficient number, since it is larger than the sum of its proper divisors (7512416847).

13522349997 is a wasteful number, since it uses less digits than its factorization.

13522349997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115575660 (or 115575657 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The spelling of 13522349997 in words is "thirteen billion, five hundred twenty-two million, three hundred forty-nine thousand, nine hundred ninety-seven".