253871909884 has 6 divisors (see below), whose sum is σ = 444275842304. Its totient is φ = 126935954940.

The previous prime is 253871909827. The next prime is 253871909887. The reversal of 253871909884 is 488909178352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253871909887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31733988732 + ... + 31733988739.

Almost surely, 2^253871909884 is an apocalyptic number.

It is an amenable number.

253871909884 is a deficient number, since it is larger than the sum of its proper divisors (190403932420).

253871909884 is a wasteful number, since it uses less digits than its factorization.

253871909884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63467977475 (or 63467977473 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 253871909884 in words is "two hundred fifty-three billion, eight hundred seventy-one million, nine hundred nine thousand, eight hundred eighty-four".