253238075999 has 24 divisors (see below), whose sum is σ = 261670576464. Its totient is φ = 245065856000.

The previous prime is 253238075969. The next prime is 253238076019. The reversal of 253238075999 is 999570832352.

It is a de Polignac number, because none of the positive numbers 2^k-253238075999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253238075929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132793004 + ... + 132794910.

It is an arithmetic number, because the mean of its divisors is an integer number (10902940686).

Almost surely, 2^253238075999 is an apocalyptic number.

253238075999 is a deficient number, since it is larger than the sum of its proper divisors (8432500465).

253238075999 is a wasteful number, since it uses less digits than its factorization.

253238075999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587 (or 2546 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 62.

The spelling of 253238075999 in words is "two hundred fifty-three billion, two hundred thirty-eight million, seventy-five thousand, nine hundred ninety-nine".