13604889593 has 2 divisors, whose sum is σ = 13604889594. Its totient is φ = 13604889592.

The previous prime is 13604889587. The next prime is 13604889601. The reversal of 13604889593 is 39598840631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10652923369 + 2951966224 = 103213^2 + 54332^2 .

It is a cyclic number.

It is not a de Polignac number, because 13604889593 - 2¹⁰ = 13604888569 is a prime.

It is not a weakly prime, because it can be changed into another prime (13604889533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6802444796 + 6802444797.

It is an arithmetic number, because the mean of its divisors is an integer number (6802444797).

Almost surely, 2^13604889593 is an apocalyptic number.

It is an amenable number.

13604889593 is a deficient number, since it is larger than the sum of its proper divisors (1).

13604889593 is an equidigital number, since it uses as much as digits as its factorization.

13604889593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 13604889593 in words is "thirteen billion, six hundred four million, eight hundred eighty-nine thousand, five hundred ninety-three".