1951706796679 has 2 divisors, whose sum is σ = 1951706796680. Its totient is φ = 1951706796678.

The previous prime is 1951706796647. The next prime is 1951706796713. The reversal of 1951706796679 is 9766976071591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1951706796679 - 2⁵ = 1951706796647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1951706796629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975853398339 + 975853398340.

It is an arithmetic number, because the mean of its divisors is an integer number (975853398340).

Almost surely, 2^{1951706796679} is an apocalyptic number.

1951706796679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1951706796679 is an equidigital number, since it uses as much as digits as its factorization.

1951706796679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270050760, while the sum is 73.

The spelling of 1951706796679 in words is "one trillion, nine hundred fifty-one billion, seven hundred six million, seven hundred ninety-six thousand, six hundred seventy-nine".