669233373585 has 64 divisors (see below), whose sum is σ = 1228798771200. Its totient is φ = 304673144832.

The previous prime is 669233373581. The next prime is 669233373659. The reversal of 669233373585 is 585373332966.

It is a happy number.

669233373585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 669233373585 - 2² = 669233373581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (669233373581) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28975912 + ... + 28998998.

It is an arithmetic number, because the mean of its divisors is an integer number (19199980800).

Almost surely, 2^669233373585 is an apocalyptic number.

It is an amenable number.

669233373585 is a deficient number, since it is larger than the sum of its proper divisors (559565397615).

669233373585 is a wasteful number, since it uses less digits than its factorization.

669233373585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24230.

The product of its digits is 73483200, while the sum is 60.

The spelling of 669233373585 in words is "six hundred sixty-nine billion, two hundred thirty-three million, three hundred seventy-three thousand, five hundred eighty-five".