252844121479 has 8 divisors (see below), whose sum is σ = 277723520640. Its totient is φ = 229121903736.

The previous prime is 252844121447. The next prime is 252844121521. The reversal of 252844121479 is 974121448252.

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

It is a cyclic number.

It is not a de Polignac number, because 252844121479 - 2⁵ = 252844121447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252844121779) 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, 289294897 + ... + 289295770.

It is an arithmetic number, because the mean of its divisors is an integer number (34715440080).

Almost surely, 2^252844121479 is an apocalyptic number.

252844121479 is a deficient number, since it is larger than the sum of its proper divisors (24879399161).

252844121479 is a wasteful number, since it uses less digits than its factorization.

252844121479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578590709.

The product of its digits is 1290240, while the sum is 49.

The spelling of 252844121479 in words is "two hundred fifty-two billion, eight hundred forty-four million, one hundred twenty-one thousand, four hundred seventy-nine".