253311433418 has 16 divisors (see below), whose sum is σ = 406078147584. Its totient is φ = 118091309760.

The previous prime is 253311433411. The next prime is 253311433429. The reversal of 253311433418 is 814334113352.

253311433418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (253311433411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34811018 + ... + 34818293.

It is an arithmetic number, because the mean of its divisors is an integer number (25379884224).

Almost surely, 2^253311433418 is an apocalyptic number.

253311433418 is a deficient number, since it is larger than the sum of its proper divisors (152766714166).

253311433418 is a wasteful number, since it uses less digits than its factorization.

253311433418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69629437.

The product of its digits is 103680, while the sum is 38.

The spelling of 253311433418 in words is "two hundred fifty-three billion, three hundred eleven million, four hundred thirty-three thousand, four hundred eighteen".