253038364864 has 14 divisors (see below), whose sum is σ = 502123005404. Its totient is φ = 126519182400.

The previous prime is 253038364847. The next prime is 253038364867. The reversal of 253038364864 is 468463830352.

It is not an unprimeable number, because it can be changed into a prime (253038364867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976862162 + ... + 1976862289.

Almost surely, 2^253038364864 is an apocalyptic number.

It is an amenable number.

253038364864 is a deficient number, since it is larger than the sum of its proper divisors (249084640540).

253038364864 is an equidigital number, since it uses as much as digits as its factorization.

253038364864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953724463 (or 3953724453 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 52.

The spelling of 253038364864 in words is "two hundred fifty-three billion, thirty-eight million, three hundred sixty-four thousand, eight hundred sixty-four".