253455177364 has 6 divisors (see below), whose sum is σ = 443546560394. Its totient is φ = 126727588680.

The previous prime is 253455177361. The next prime is 253455177397. The reversal of 253455177364 is 463771554352.

It can be written as a sum of positive squares in only one way, i.e., 220813528464 + 32641648900 = 469908^2 + 180670^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253455177361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31681897167 + ... + 31681897174.

Almost surely, 2^253455177364 is an apocalyptic number.

It is an amenable number.

253455177364 is a deficient number, since it is larger than the sum of its proper divisors (190091383030).

253455177364 is a wasteful number, since it uses less digits than its factorization.

253455177364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63363794345 (or 63363794343 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 52.

The spelling of 253455177364 in words is "two hundred fifty-three billion, four hundred fifty-five million, one hundred seventy-seven thousand, three hundred sixty-four".