306642305147 has 2 divisors, whose sum is σ = 306642305148. Its totient is φ = 306642305146.

The previous prime is 306642305143. The next prime is 306642305149. The reversal of 306642305147 is 741503246603.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 306642305147 - 2² = 306642305143 is a prime.

Together with 306642305149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (306642305143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153321152573 + 153321152574.

It is an arithmetic number, because the mean of its divisors is an integer number (153321152574).

Almost surely, 2^306642305147 is an apocalyptic number.

306642305147 is a deficient number, since it is larger than the sum of its proper divisors (1).

306642305147 is an equidigital number, since it uses as much as digits as its factorization.

306642305147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 306642305147 in words is "three hundred six billion, six hundred forty-two million, three hundred five thousand, one hundred forty-seven".