326372672473 has 4 divisors (see below), whose sum is σ = 327071543760. Its totient is φ = 325673801188.

The previous prime is 326372672441. The next prime is 326372672513. The reversal of 326372672473 is 374276273623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 326372672473 - 2⁵ = 326372672441 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 326372672473.

It is not an unprimeable number, because it can be changed into a prime (326372676473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349434943 + ... + 349435876.

It is an arithmetic number, because the mean of its divisors is an integer number (81767885940).

Almost surely, 2^326372672473 is an apocalyptic number.

It is an amenable number.

326372672473 is a deficient number, since it is larger than the sum of its proper divisors (698871287).

326372672473 is an equidigital number, since it uses as much as digits as its factorization.

326372672473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698871286.

The product of its digits is 10668672, while the sum is 52.

The spelling of 326372672473 in words is "three hundred twenty-six billion, three hundred seventy-two million, six hundred seventy-two thousand, four hundred seventy-three".