13604866597 has 16 divisors (see below), whose sum is σ = 16232785920. Its totient is φ = 11148561072.

The previous prime is 13604866523. The next prime is 13604866603. The reversal of 13604866597 is 79566840631.

13604866597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13604866597 - 2⁷ = 13604866469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13604866507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307558 + ... + 349000.

It is an arithmetic number, because the mean of its divisors is an integer number (1014549120).

Almost surely, 2^13604866597 is an apocalyptic number.

It is an amenable number.

13604866597 is a deficient number, since it is larger than the sum of its proper divisors (2627919323).

13604866597 is a wasteful number, since it uses less digits than its factorization.

13604866597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43512.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 13604866597 in words is "thirteen billion, six hundred four million, eight hundred sixty-six thousand, five hundred ninety-seven".