252660292129 has 8 divisors (see below), whose sum is σ = 288761517440. Its totient is φ = 216560791296.

The previous prime is 252660292117. The next prime is 252660292153. The reversal of 252660292129 is 921292066252.

It is a happy number.

252660292129 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 252660292129 - 2²¹ = 252658194977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252660292229) 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, 100224 + ... + 717889.

It is an arithmetic number, because the mean of its divisors is an integer number (36095189680).

Almost surely, 2^252660292129 is an apocalyptic number.

It is an amenable number.

252660292129 is a deficient number, since it is larger than the sum of its proper divisors (36101225311).

252660292129 is an equidigital number, since it uses as much as digits as its factorization.

252660292129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862239.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 252660292129 in words is "two hundred fifty-two billion, six hundred sixty million, two hundred ninety-two thousand, one hundred twenty-nine".