325564506673 has 64 divisors (see below), whose sum is σ = 399544814592. Its totient is φ = 259274695680.

The previous prime is 325564506649. The next prime is 325564506689. The reversal of 325564506673 is 376605465523.

It is not a de Polignac number, because 325564506673 - 2¹⁷ = 325564375601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325564506673.

It is not an unprimeable number, because it can be changed into a prime (325564506623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 492532963 + ... + 492533623.

It is an arithmetic number, because the mean of its divisors is an integer number (6242887728).

Almost surely, 2^325564506673 is an apocalyptic number.

It is an amenable number.

325564506673 is a deficient number, since it is larger than the sum of its proper divisors (73980307919).

325564506673 is a wasteful number, since it uses less digits than its factorization.

325564506673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 13608000, while the sum is 52.

The spelling of 325564506673 in words is "three hundred twenty-five billion, five hundred sixty-four million, five hundred six thousand, six hundred seventy-three".