13250645690568 has 256 divisors, whose sum is σ = 41302518969600. Its totient is φ = 3480383324160.

The previous prime is 13250645690519. The next prime is 13250645690627. The reversal of 13250645690568 is 86509654605231.

It is a super-2 number, since 2×13250645690568² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25000698 + ... + 25525206.

It is an arithmetic number, because the mean of its divisors is an integer number (161337964725).

Almost surely, 2^{13250645690568} 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 13250645690568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20651259484800).

13250645690568 is an abundant number, since it is smaller than the sum of its proper divisors (28051873279032).

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

13250645690568 is a wasteful number, since it uses less digits than its factorization.

13250645690568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524992 (or 524988 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 60.

The spelling of 13250645690568 in words is "thirteen trillion, two hundred fifty billion, six hundred forty-five million, six hundred ninety thousand, five hundred sixty-eight".