6351751694891 has 2 divisors, whose sum is σ = 6351751694892. Its totient is φ = 6351751694890.

The previous prime is 6351751694857. The next prime is 6351751694903. The reversal of 6351751694891 is 1984961571536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6351751694891 - 2²² = 6351747500587 is a prime.

It is not a weakly prime, because it can be changed into another prime (6351751694831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3175875847445 + 3175875847446.

It is an arithmetic number, because the mean of its divisors is an integer number (3175875847446).

Almost surely, 2^{6351751694891} is an apocalyptic number.

6351751694891 is a deficient number, since it is larger than the sum of its proper divisors (1).

6351751694891 is an equidigital number, since it uses as much as digits as its factorization.

6351751694891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 65.

The spelling of 6351751694891 in words is "six trillion, three hundred fifty-one billion, seven hundred fifty-one million, six hundred ninety-four thousand, eight hundred ninety-one".