252628072049 has 4 divisors (see below), whose sum is σ = 258503143536. Its totient is φ = 246753000564.

The previous prime is 252628072043. The next prime is 252628072069. The reversal of 252628072049 is 940270826252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252628072049 - 2¹⁶ = 252628006513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252628071994 and 252628072012.

It is not an unprimeable number, because it can be changed into a prime (252628072043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2937535679 + ... + 2937535764.

It is an arithmetic number, because the mean of its divisors is an integer number (64625785884).

Almost surely, 2^252628072049 is an apocalyptic number.

It is an amenable number.

252628072049 is a deficient number, since it is larger than the sum of its proper divisors (5875071487).

252628072049 is an equidigital number, since it uses as much as digits as its factorization.

252628072049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875071486.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 252628072049 in words is "two hundred fifty-two billion, six hundred twenty-eight million, seventy-two thousand, forty-nine".