306213324479 has 2 divisors, whose sum is σ = 306213324480. Its totient is φ = 306213324478.

The previous prime is 306213324451. The next prime is 306213324481. The reversal of 306213324479 is 974423312603.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306213324479 is a prime.

Together with 306213324481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306213324409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153106662239 + 153106662240.

It is an arithmetic number, because the mean of its divisors is an integer number (153106662240).

Almost surely, 2^306213324479 is an apocalyptic number.

306213324479 is a deficient number, since it is larger than the sum of its proper divisors (1).

306213324479 is an equidigital number, since it uses as much as digits as its factorization.

306213324479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 306213324479 in words is "three hundred six billion, two hundred thirteen million, three hundred twenty-four thousand, four hundred seventy-nine".