659423569345 has 16 divisors (see below), whose sum is σ = 797945904000. Its totient is φ = 523130197888.

The previous prime is 659423569307. The next prime is 659423569349. The reversal of 659423569345 is 543965324956.

It is not a de Polignac number, because 659423569345 - 2²⁹ = 658886698433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (659423569349) 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, 704860 + ... + 1347469.

It is an arithmetic number, because the mean of its divisors is an integer number (49871619000).

Almost surely, 2^659423569345 is an apocalyptic number.

It is an amenable number.

659423569345 is a deficient number, since it is larger than the sum of its proper divisors (138522334655).

659423569345 is a wasteful number, since it uses less digits than its factorization.

659423569345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052872.

The product of its digits is 104976000, while the sum is 61.

The spelling of 659423569345 in words is "six hundred fifty-nine billion, four hundred twenty-three million, five hundred sixty-nine thousand, three hundred forty-five".