252430740649 has 8 divisors (see below), whose sum is σ = 270662895360. Its totient is φ = 234574506816.

The previous prime is 252430740469. The next prime is 252430740719. The reversal of 252430740649 is 946047034252.

252430740649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252430740649 - 2¹⁷ = 252430609577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252430740599 and 252430740608.

It is not an unprimeable number, because it can be changed into a prime (252430740349) 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 7 ways as a sum of consecutive naturals, for example, 93978829 + ... + 93981514.

It is an arithmetic number, because the mean of its divisors is an integer number (33832861920).

Almost surely, 2^252430740649 is an apocalyptic number.

It is an amenable number.

252430740649 is a deficient number, since it is larger than the sum of its proper divisors (18232154711).

252430740649 is a wasteful number, since it uses less digits than its factorization.

252430740649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187960439.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 252430740649 in words is "two hundred fifty-two billion, four hundred thirty million, seven hundred forty thousand, six hundred forty-nine".