253239813659 has 32 divisors (see below), whose sum is σ = 307910678400. Its totient is φ = 204022717440.

The previous prime is 253239813653. The next prime is 253239813791. The reversal of 253239813659 is 956318932352.

It is not a de Polignac number, because 253239813659 - 2⁸ = 253239813403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253239813653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28230527 + ... + 28239495.

It is an arithmetic number, because the mean of its divisors is an integer number (9622208700).

Almost surely, 2^253239813659 is an apocalyptic number.

253239813659 is a deficient number, since it is larger than the sum of its proper divisors (54670864741).

253239813659 is an frugal number, since it uses more digits than its factorization.

253239813659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9848 (or 9814 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 56.

The spelling of 253239813659 in words is "two hundred fifty-three billion, two hundred thirty-nine million, eight hundred thirteen thousand, six hundred fifty-nine".