33423253664 has 24 divisors (see below), whose sum is σ = 66541384980. Its totient is φ = 16523854336.

The previous prime is 33423253639. The next prime is 33423253691. The reversal of 33423253664 is 46635232433.

It can be written as a sum of positive squares in 2 ways, for example, as 28621872400 + 4801381264 = 169180^2 + 69292^2 .

It is a super-2 number, since 2×33423253664² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5864999 + ... + 5870694.

Almost surely, 2^33423253664 is an apocalyptic number.

It is an amenable number.

33423253664 is a deficient number, since it is larger than the sum of its proper divisors (33118131316).

33423253664 is a wasteful number, since it uses less digits than its factorization.

33423253664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11735792 (or 11735784 counting only the distinct ones).

The product of its digits is 933120, while the sum is 41.

The spelling of 33423253664 in words is "thirty-three billion, four hundred twenty-three million, two hundred fifty-three thousand, six hundred sixty-four".