196249115717 has 2 divisors, whose sum is σ = 196249115718. Its totient is φ = 196249115716.

The previous prime is 196249115707. The next prime is 196249115729. The reversal of 196249115717 is 717511942691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165312175396 + 30936940321 = 406586^2 + 175889^2 .

It is a cyclic number.

It is not a de Polignac number, because 196249115717 - 2¹² = 196249111621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196249115707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98124557858 + 98124557859.

It is an arithmetic number, because the mean of its divisors is an integer number (98124557859).

Almost surely, 2^196249115717 is an apocalyptic number.

It is an amenable number.

196249115717 is a deficient number, since it is larger than the sum of its proper divisors (1).

196249115717 is an equidigital number, since it uses as much as digits as its factorization.

196249115717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 53.

The spelling of 196249115717 in words is "one hundred ninety-six billion, two hundred forty-nine million, one hundred fifteen thousand, seven hundred seventeen".