253772442695 has 8 divisors (see below), whose sum is σ = 317767232736. Its totient is φ = 194191086496.

The previous prime is 253772442683. The next prime is 253772442697. The reversal of 253772442695 is 596244277352.

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

It is a cyclic number.

It is not a de Polignac number, because 253772442695 - 2¹² = 253772438599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253772442695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253772442697) 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, 1103358332 + ... + 1103358561.

It is an arithmetic number, because the mean of its divisors is an integer number (39720904092).

Almost surely, 2^253772442695 is an apocalyptic number.

253772442695 is a deficient number, since it is larger than the sum of its proper divisors (63994790041).

253772442695 is a wasteful number, since it uses less digits than its factorization.

253772442695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206716921.

The product of its digits is 25401600, while the sum is 56.

The spelling of 253772442695 in words is "two hundred fifty-three billion, seven hundred seventy-two million, four hundred forty-two thousand, six hundred ninety-five".