5259657786399 has 48 divisors (see below), whose sum is σ = 8336435752800. Its totient is φ = 3276383354496.

The previous prime is 5259657786391. The next prime is 5259657786451. The reversal of 5259657786399 is 9936877569525.

It is a happy number.

5259657786399 is a `hidden beast` number, since 5 + 2 + 5 + 9 + 6 + 577 + 8 + 6 + 39 + 9 = 666.

It is not a de Polignac number, because 5259657786399 - 2³ = 5259657786391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5259657786391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2984484 + ... + 4407545.

It is an arithmetic number, because the mean of its divisors is an integer number (173675744850).

Almost surely, 2^{5259657786399} is an apocalyptic number.

5259657786399 is a deficient number, since it is larger than the sum of its proper divisors (3076777966401).

5259657786399 is a wasteful number, since it uses less digits than its factorization.

5259657786399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392149 (or 7392124 counting only the distinct ones).

The product of its digits is 7715736000, while the sum is 81.

The spelling of 5259657786399 in words is "five trillion, two hundred fifty-nine billion, six hundred fifty-seven million, seven hundred eighty-six thousand, three hundred ninety-nine".