326041606309 has 2 divisors, whose sum is σ = 326041606310. Its totient is φ = 326041606308.

The previous prime is 326041606223. The next prime is 326041606321. The reversal of 326041606309 is 903606140623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260817554209 + 65224052100 = 510703^2 + 255390^2 .

It is a cyclic number.

It is not a de Polignac number, because 326041606309 - 2¹⁹ = 326041082021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326041606109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163020803154 + 163020803155.

It is an arithmetic number, because the mean of its divisors is an integer number (163020803155).

Almost surely, 2^326041606309 is an apocalyptic number.

It is an amenable number.

326041606309 is a deficient number, since it is larger than the sum of its proper divisors (1).

326041606309 is an equidigital number, since it uses as much as digits as its factorization.

326041606309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 326041606309 in words is "three hundred twenty-six billion, forty-one million, six hundred six thousand, three hundred nine".