6994791911 has 2 divisors, whose sum is σ = 6994791912. Its totient is φ = 6994791910.

The previous prime is 6994791889. The next prime is 6994791949. The reversal of 6994791911 is 1191974996.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6994791911 - 2³⁰ = 5921050087 is a prime.

It is a super-2 number, since 2×6994791911² = 97854227756382063842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6990791911) 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, 3497395955 + 3497395956.

It is an arithmetic number, because the mean of its divisors is an integer number (3497395956).

Almost surely, 2^6994791911 is an apocalyptic number.

6994791911 is a deficient number, since it is larger than the sum of its proper divisors (1).

6994791911 is an equidigital number, since it uses as much as digits as its factorization.

6994791911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 56.

The square root of 6994791911 is about 83634.8725771732. The cubic root of 6994791911 is about 1912.4566500263.

The spelling of 6994791911 in words is "six billion, nine hundred ninety-four million, seven hundred ninety-one thousand, nine hundred eleven".