326880609669 has 64 divisors (see below), whose sum is σ = 540444441600. Its totient is φ = 194292274176.

The previous prime is 326880609667. The next prime is 326880609673. The reversal of 326880609669 is 966906088623.

It is not a de Polignac number, because 326880609669 - 2¹ = 326880609667 is a prime.

It is a super-2 number, since 2×326880609669² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326880609667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 473812 + ... + 937154.

It is an arithmetic number, because the mean of its divisors is an integer number (8444444400).

Almost surely, 2^326880609669 is an apocalyptic number.

It is an amenable number.

326880609669 is a deficient number, since it is larger than the sum of its proper divisors (213563831931).

326880609669 is a wasteful number, since it uses less digits than its factorization.

326880609669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463451 (or 463445 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 326880609669 in words is "three hundred twenty-six billion, eight hundred eighty million, six hundred nine thousand, six hundred sixty-nine".