6345984773 has 2 divisors, whose sum is σ = 6345984774. Its totient is φ = 6345984772.

The previous prime is 6345984721. The next prime is 6345984779. The reversal of 6345984773 is 3774895436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6139976164 + 206008609 = 78358^2 + 14353^2 .

It is a cyclic number.

It is not a de Polignac number, because 6345984773 - 2⁸ = 6345984517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6345984779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172992386 + 3172992387.

It is an arithmetic number, because the mean of its divisors is an integer number (3172992387).

Almost surely, 2^6345984773 is an apocalyptic number.

It is an amenable number.

6345984773 is a deficient number, since it is larger than the sum of its proper divisors (1).

6345984773 is an equidigital number, since it uses as much as digits as its factorization.

6345984773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 56.

The square root of 6345984773 is about 79661.6894937585. The cubic root of 6345984773 is about 1851.3975097088.

The spelling of 6345984773 in words is "six billion, three hundred forty-five million, nine hundred eighty-four thousand, seven hundred seventy-three".