253522477713 has 4 divisors (see below), whose sum is σ = 338029970288. Its totient is φ = 169014985140.

The previous prime is 253522477633. The next prime is 253522477717. The reversal of 253522477713 is 317774225352.

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 not a de Polignac number, because 253522477713 - 2⁸ = 253522477457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253522477717) 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, 42253746283 + ... + 42253746288.

It is an arithmetic number, because the mean of its divisors is an integer number (84507492572).

Almost surely, 2^253522477713 is an apocalyptic number.

It is an amenable number.

253522477713 is a deficient number, since it is larger than the sum of its proper divisors (84507492575).

253522477713 is an equidigital number, since it uses as much as digits as its factorization.

253522477713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84507492574.

The product of its digits is 2469600, while the sum is 48.

The spelling of 253522477713 in words is "two hundred fifty-three billion, five hundred twenty-two million, four hundred seventy-seven thousand, seven hundred thirteen".