325163336647 has 4 divisors (see below), whose sum is σ = 325958357440. Its totient is φ = 324368315856.

The previous prime is 325163336639. The next prime is 325163336651. The reversal of 325163336647 is 746633361523.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 325163336647 - 2³ = 325163336639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 325163336647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325163336627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397509783 + ... + 397510600.

It is an arithmetic number, because the mean of its divisors is an integer number (81489589360).

Almost surely, 2^325163336647 is an apocalyptic number.

325163336647 is a deficient number, since it is larger than the sum of its proper divisors (795020793).

325163336647 is an equidigital number, since it uses as much as digits as its factorization.

325163336647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795020792.

The product of its digits is 4898880, while the sum is 49.

The spelling of 325163336647 in words is "three hundred twenty-five billion, one hundred sixty-three million, three hundred thirty-six thousand, six hundred forty-seven".