253799297238 has 8 divisors (see below), whose sum is σ = 507598594488. Its totient is φ = 84599765744.

The previous prime is 253799297221. The next prime is 253799297239. The reversal of 253799297238 is 832792997352.

It is a sphenic number, since it is the product of 3 distinct primes.

253799297238 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253799297239) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 21149941431 + ... + 21149941442.

It is an arithmetic number, because the mean of its divisors is an integer number (63449824311).

Almost surely, 2^253799297238 is an apocalyptic number.

253799297238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253799297238 is a wasteful number, since it uses less digits than its factorization.

253799297238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42299882878.

The product of its digits is 102876480, while the sum is 66.

The spelling of 253799297238 in words is "two hundred fifty-three billion, seven hundred ninety-nine million, two hundred ninety-seven thousand, two hundred thirty-eight".