252606320499 has 16 divisors (see below), whose sum is σ = 371152044032. Its totient is φ = 151834925088.

The previous prime is 252606320497. The next prime is 252606320503. The reversal of 252606320499 is 994023606252.

252606320499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252606320499 - 2¹ = 252606320497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252606320497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75313267 + ... + 75316620.

It is an arithmetic number, because the mean of its divisors is an integer number (23197002752).

Almost surely, 2^252606320499 is an apocalyptic number.

252606320499 is a deficient number, since it is larger than the sum of its proper divisors (118545723533).

252606320499 is a wasteful number, since it uses less digits than its factorization.

252606320499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150629946.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 252606320499 in words is "two hundred fifty-two billion, six hundred six million, three hundred twenty thousand, four hundred ninety-nine".