1951706796713 has 2 divisors, whose sum is σ = 1951706796714. Its totient is φ = 1951706796712.

The previous prime is 1951706796679. The next prime is 1951706796761. The reversal of 1951706796713 is 3176976071591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1942321643584 + 9385153129 = 1393672^2 + 96877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1951706796713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1951706792713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975853398356 + 975853398357.

It is an arithmetic number, because the mean of its divisors is an integer number (975853398357).

Almost surely, 2^{1951706796713} is an apocalyptic number.

It is an amenable number.

1951706796713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1951706796713 is an equidigital number, since it uses as much as digits as its factorization.

1951706796713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15002820, while the sum is 62.

The spelling of 1951706796713 in words is "one trillion, nine hundred fifty-one billion, seven hundred six million, seven hundred ninety-six thousand, seven hundred thirteen".