253699675443442 has 16 divisors (see below), whose sum is σ = 397109941557120. Its totient is φ = 121330105962912.

The previous prime is 253699675443397. The next prime is 253699675443457. The reversal of 253699675443442 is 244344576996352.

253699675443442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 101511603 + ... + 103980790.

It is an arithmetic number, because the mean of its divisors is an integer number (24819371347320).

Almost surely, 2^{253699675443442} is an apocalyptic number.

253699675443442 is a deficient number, since it is larger than the sum of its proper divisors (143410266113678).

253699675443442 is a wasteful number, since it uses less digits than its factorization.

253699675443442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205519257.

The product of its digits is 4702924800, while the sum is 73.

The spelling of 253699675443442 in words is "two hundred fifty-three trillion, six hundred ninety-nine billion, six hundred seventy-five million, four hundred forty-three thousand, four hundred forty-two".