253996366319 has 4 divisors (see below), whose sum is σ = 254058426696. Its totient is φ = 253934305944.

The previous prime is 253996366313. The next prime is 253996366321. The reversal of 253996366319 is 913663699352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253996366319 - 2²⁰ = 253995317743 is a prime.

It is a super-2 number, since 2×253996366319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253996366313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31024049 + ... + 31032234.

It is an arithmetic number, because the mean of its divisors is an integer number (63514606674).

Almost surely, 2^253996366319 is an apocalyptic number.

253996366319 is a deficient number, since it is larger than the sum of its proper divisors (62060377).

253996366319 is an equidigital number, since it uses as much as digits as its factorization.

253996366319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62060376.

The product of its digits is 42515280, while the sum is 62.

The spelling of 253996366319 in words is "two hundred fifty-three billion, nine hundred ninety-six million, three hundred sixty-six thousand, three hundred nineteen".