253989407095 has 24 divisors (see below), whose sum is σ = 310286782080. Its totient is φ = 199589108160.

The previous prime is 253989407059. The next prime is 253989407101. The reversal of 253989407095 is 590704989352.

It is a de Polignac number, because none of the positive numbers 2^k-253989407095 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25040725 + ... + 25050865.

It is an arithmetic number, because the mean of its divisors is an integer number (12928615920).

Almost surely, 2^253989407095 is an apocalyptic number.

253989407095 is a deficient number, since it is larger than the sum of its proper divisors (56297374985).

253989407095 is a wasteful number, since it uses less digits than its factorization.

253989407095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11703 (or 11644 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 253989407095 in words is "two hundred fifty-three billion, nine hundred eighty-nine million, four hundred seven thousand, ninety-five".