2947566313 has 2 divisors, whose sum is σ = 2947566314. Its totient is φ = 2947566312.

The previous prime is 2947566289. The next prime is 2947566341. The reversal of 2947566313 is 3136657492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2923781184 + 23785129 = 54072^2 + 4877^2 .

It is a cyclic number.

It is not a de Polignac number, because 2947566313 - 2¹⁷ = 2947435241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2947566613) 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, 1473783156 + 1473783157.

It is an arithmetic number, because the mean of its divisors is an integer number (1473783157).

Almost surely, 2^2947566313 is an apocalyptic number.

It is an amenable number.

2947566313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947566313 is an equidigital number, since it uses as much as digits as its factorization.

2947566313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 46.

The square root of 2947566313 is about 54291.4939286073. The cubic root of 2947566313 is about 1433.7976408827.

The spelling of 2947566313 in words is "two billion, nine hundred forty-seven million, five hundred sixty-six thousand, three hundred thirteen".