326555630213 has 2 divisors, whose sum is σ = 326555630214. Its totient is φ = 326555630212.

The previous prime is 326555630179. The next prime is 326555630239. The reversal of 326555630213 is 312036555623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232615219204 + 93940411009 = 482302^2 + 306497^2 .

It is a cyclic number.

It is not a de Polignac number, because 326555630213 - 2²⁶ = 326488521349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326555630273) 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 as a sum of consecutive naturals, namely, 163277815106 + 163277815107.

It is an arithmetic number, because the mean of its divisors is an integer number (163277815107).

Almost surely, 2^326555630213 is an apocalyptic number.

It is an amenable number.

326555630213 is a deficient number, since it is larger than the sum of its proper divisors (1).

326555630213 is an equidigital number, since it uses as much as digits as its factorization.

326555630213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 326555630213 in words is "three hundred twenty-six billion, five hundred fifty-five million, six hundred thirty thousand, two hundred thirteen".