6694077953 has 2 divisors, whose sum is σ = 6694077954. Its totient is φ = 6694077952.

The previous prime is 6694077919. The next prime is 6694077983. The reversal of 6694077953 is 3597704966.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6213065329 + 481012624 = 78823^2 + 21932^2 .

It is a cyclic number.

It is not a de Polignac number, because 6694077953 - 2⁶ = 6694077889 is a prime.

It is not a weakly prime, because it can be changed into another prime (6694077983) 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, 3347038976 + 3347038977.

It is an arithmetic number, because the mean of its divisors is an integer number (3347038977).

Almost surely, 2^6694077953 is an apocalyptic number.

It is an amenable number.

6694077953 is a deficient number, since it is larger than the sum of its proper divisors (1).

6694077953 is an equidigital number, since it uses as much as digits as its factorization.

6694077953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 56.

The square root of 6694077953 is about 81817.3450620344. The cubic root of 6694077953 is about 1884.6480312478.

The spelling of 6694077953 in words is "six billion, six hundred ninety-four million, seventy-seven thousand, nine hundred fifty-three".