253631641034 has 4 divisors (see below), whose sum is σ = 380447461554. Its totient is φ = 126815820516.

The previous prime is 253631640989. The next prime is 253631641057. The reversal of 253631641034 is 430146136352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 242679390625 + 10952250409 = 492625^2 + 104653^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63407910257 + ... + 63407910260.

Almost surely, 2^253631641034 is an apocalyptic number.

253631641034 is a deficient number, since it is larger than the sum of its proper divisors (126815820520).

253631641034 is a wasteful number, since it uses less digits than its factorization.

253631641034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126815820519.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 253631641034 its reverse (430146136352), we get a palindrome (683777777386).

The spelling of 253631641034 in words is "two hundred fifty-three billion, six hundred thirty-one million, six hundred forty-one thousand, thirty-four".