326445300513 has 12 divisors (see below), whose sum is σ = 475938944208. Its totient is φ = 215596272600.

The previous prime is 326445300481. The next prime is 326445300523. The reversal of 326445300513 is 315003544623.

326445300513 is a `hidden beast` number, since 3 + 2 + 644 + 5 + 3 + 0 + 0 + 5 + 1 + 3 = 666.

It is not a de Polignac number, because 326445300513 - 2⁵ = 326445300481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (326445300523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169492963 + ... + 169494888.

It is an arithmetic number, because the mean of its divisors is an integer number (39661578684).

Almost surely, 2^326445300513 is an apocalyptic number.

It is an amenable number.

326445300513 is a deficient number, since it is larger than the sum of its proper divisors (149493643695).

326445300513 is a wasteful number, since it uses less digits than its factorization.

326445300513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338987964 (or 338987961 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 326445300513 in words is "three hundred twenty-six billion, four hundred forty-five million, three hundred thousand, five hundred thirteen".