253433050530433 has 4 divisors (see below), whose sum is σ = 253533579311428. Its totient is φ = 253332521749440.

The previous prime is 253433050530409. The next prime is 253433050530469. The reversal of 253433050530433 is 334035050334352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46042290989809 + 207390759540624 = 6785447^2 + 14401068^2 .

It is a cyclic number.

It is not a de Polignac number, because 253433050530433 - 2²¹ = 253433048433281 is a prime.

It is a super-2 number, since 2×253433050530433² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253433050530433.

It is not an unprimeable number, because it can be changed into a prime (253433050530733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50264386716 + ... + 50264391757.

It is an arithmetic number, because the mean of its divisors is an integer number (63383394827857).

Almost surely, 2^{253433050530433} is an apocalyptic number.

It is an amenable number.

253433050530433 is a deficient number, since it is larger than the sum of its proper divisors (100528780995).

253433050530433 is a wasteful number, since it uses less digits than its factorization.

253433050530433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100528780994.

The product of its (nonzero) digits is 2916000, while the sum is 43.

The spelling of 253433050530433 in words is "two hundred fifty-three trillion, four hundred thirty-three billion, fifty million, five hundred thirty thousand, four hundred thirty-three".