253628645117 has 4 divisors (see below), whose sum is σ = 253735080000. Its totient is φ = 253522210236.

The previous prime is 253628645113. The next prime is 253628645129. The reversal of 253628645117 is 711546826352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253628645117 - 2² = 253628645113 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 (253628645111) 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, 53213867 + ... + 53218632.

It is an arithmetic number, because the mean of its divisors is an integer number (63433770000).

Almost surely, 2^253628645117 is an apocalyptic number.

It is an amenable number.

253628645117 is a deficient number, since it is larger than the sum of its proper divisors (106434883).

253628645117 is a wasteful number, since it uses less digits than its factorization.

253628645117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106434882.

The product of its digits is 2419200, while the sum is 50.

The spelling of 253628645117 in words is "two hundred fifty-three billion, six hundred twenty-eight million, six hundred forty-five thousand, one hundred seventeen".