13325323264 has 88 divisors (see below), whose sum is σ = 29845554768. Its totient is φ = 5893079040.

The previous prime is 13325323243. The next prime is 13325323279. The reversal of 13325323264 is 46232352331.

It is a tau number, because it is divible by the number of its divisors (88).

It is a super-2 number, since 2×13325323264² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400782 + ... + 432754.

Almost surely, 2^13325323264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13325323264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14922777384).

13325323264 is an abundant number, since it is smaller than the sum of its proper divisors (16520231504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13325323264 is a wasteful number, since it uses less digits than its factorization.

13325323264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32041 (or 32023 counting only the distinct ones).

The product of its digits is 77760, while the sum is 34.

Adding to 13325323264 its reverse (46232352331), we get a palindrome (59557675595).

The spelling of 13325323264 in words is "thirteen billion, three hundred twenty-five million, three hundred twenty-three thousand, two hundred sixty-four".