6995656973 has 2 divisors, whose sum is σ = 6995656974. Its totient is φ = 6995656972.

The previous prime is 6995656919. The next prime is 6995656981. The reversal of 6995656973 is 3796565996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6949389769 + 46267204 = 83363^2 + 6802^2 .

It is a cyclic number.

It is not a de Polignac number, because 6995656973 - 2¹⁸ = 6995394829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6995652973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3497828486 + 3497828487.

It is an arithmetic number, because the mean of its divisors is an integer number (3497828487).

Almost surely, 2^6995656973 is an apocalyptic number.

It is an amenable number.

6995656973 is a deficient number, since it is larger than the sum of its proper divisors (1).

6995656973 is an equidigital number, since it uses as much as digits as its factorization.

6995656973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82668600, while the sum is 65.

The square root of 6995656973 is about 83640.0440757894. The cubic root of 6995656973 is about 1912.5354860803.

The spelling of 6995656973 in words is "six billion, nine hundred ninety-five million, six hundred fifty-six thousand, nine hundred seventy-three".