253407764121 has 8 divisors (see below), whose sum is σ = 337972290144. Its totient is φ = 168890873760.

The previous prime is 253407764089. The next prime is 253407764123. The reversal of 253407764121 is 121467704352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253407764121 - 2⁵ = 253407764089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253407764123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11896500 + ... + 11917781.

It is an arithmetic number, because the mean of its divisors is an integer number (42246536268).

Almost surely, 2^253407764121 is an apocalyptic number.

It is an amenable number.

253407764121 is a deficient number, since it is larger than the sum of its proper divisors (84564526023).

253407764121 is a wasteful number, since it uses less digits than its factorization.

253407764121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23817831.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 253407764121 in words is "two hundred fifty-three billion, four hundred seven million, seven hundred sixty-four thousand, one hundred twenty-one".