252396993939 has 8 divisors (see below), whose sum is σ = 336580958352. Its totient is φ = 168238846080.

The previous prime is 252396993931. The next prime is 252396993943. The reversal of 252396993939 is 939399693252.

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

It is not a de Polignac number, because 252396993939 - 2³ = 252396993931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252396993931) 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, 6431314 + ... + 6470439.

It is an arithmetic number, because the mean of its divisors is an integer number (42072619794).

Almost surely, 2^252396993939 is an apocalyptic number.

252396993939 is a deficient number, since it is larger than the sum of its proper divisors (84183964413).

252396993939 is a wasteful number, since it uses less digits than its factorization.

252396993939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12908277.

The product of its digits is 191318760, while the sum is 69.

The spelling of 252396993939 in words is "two hundred fifty-two billion, three hundred ninety-six million, nine hundred ninety-three thousand, nine hundred thirty-nine".