253432551806 has 12 divisors (see below), whose sum is σ = 442213942608. Its totient is φ = 108613950732.

The previous prime is 253432551767. The next prime is 253432551851. The reversal of 253432551806 is 608155234352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1293023126 + ... + 1293023321.

It is an arithmetic number, because the mean of its divisors is an integer number (36851161884).

Almost surely, 2^253432551806 is an apocalyptic number.

253432551806 is a deficient number, since it is larger than the sum of its proper divisors (188781390802).

253432551806 is a wasteful number, since it uses less digits than its factorization.

253432551806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586046463 (or 2586046456 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 253432551806 in words is "two hundred fifty-three billion, four hundred thirty-two million, five hundred fifty-one thousand, eight hundred six".