13904565589 has 8 divisors (see below), whose sum is σ = 14172240600. Its totient is φ = 13639428096.

The previous prime is 13904565569. The next prime is 13904565601. The reversal of 13904565589 is 98556540931.

It can be written as a sum of positive squares in 4 ways, for example, as 778968100 + 13125597489 = 27910^2 + 114567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13904565589 - 2⁷ = 13904565461 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 (13904565539) 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 in 7 ways as a sum of consecutive naturals, for example, 623314 + ... + 645235.

It is an arithmetic number, because the mean of its divisors is an integer number (1771530075).

Almost surely, 2^13904565589 is an apocalyptic number.

It is an amenable number.

13904565589 is a deficient number, since it is larger than the sum of its proper divisors (267675011).

13904565589 is a wasteful number, since it uses less digits than its factorization.

13904565589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268759.

The product of its (nonzero) digits is 5832000, while the sum is 55.

The spelling of 13904565589 in words is "thirteen billion, nine hundred four million, five hundred sixty-five thousand, five hundred eighty-nine".