325628162209 has 32 divisors (see below), whose sum is σ = 416374456320. Its totient is φ = 248089450752.

The previous prime is 325628162207. The next prime is 325628162231. The reversal of 325628162209 is 902261826523.

It is a cyclic number.

It is not a de Polignac number, because 325628162209 - 2¹ = 325628162207 is a prime.

It is a super-2 number, since 2×325628162209² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325628162203) 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 31 ways as a sum of consecutive naturals, for example, 536769 + ... + 969214.

It is an arithmetic number, because the mean of its divisors is an integer number (13011701760).

Almost surely, 2^325628162209 is an apocalyptic number.

It is an amenable number.

325628162209 is a deficient number, since it is larger than the sum of its proper divisors (90746294111).

325628162209 is a wasteful number, since it uses less digits than its factorization.

325628162209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506109.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 325628162209 in words is "three hundred twenty-five billion, six hundred twenty-eight million, one hundred sixty-two thousand, two hundred nine".