253203442034 has 16 divisors (see below), whose sum is σ = 380819661720. Its totient is φ = 126263733120.

The previous prime is 253203442021. The next prime is 253203442103. The reversal of 253203442034 is 430244302352.

It can be written as a sum of positive squares in 4 ways, for example, as 71237211409 + 181966230625 = 266903^2 + 426575^2 .

It is a super-2 number, since 2×253203442034² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2928812 + ... + 3014024.

Almost surely, 2^253203442034 is an apocalyptic number.

253203442034 is a deficient number, since it is larger than the sum of its proper divisors (127616219686).

253203442034 is a wasteful number, since it uses less digits than its factorization.

253203442034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89165.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 253203442034 its reverse (430244302352), we get a palindrome (683447744386).

The spelling of 253203442034 in words is "two hundred fifty-three billion, two hundred three million, four hundred forty-two thousand, thirty-four".