191796713 has 2 divisors, whose sum is σ = 191796714. Its totient is φ = 191796712.

The previous prime is 191796673. The next prime is 191796757. The reversal of 191796713 is 317697191.

It is an a-pointer prime, because the next prime (191796757) can be obtained adding 191796713 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142754704 + 49042009 = 11948^2 + 7003^2 .

It is a cyclic number.

It is not a de Polignac number, because 191796713 - 2⁸ = 191796457 is a prime.

It is not a weakly prime, because it can be changed into another prime (191796763) 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, 95898356 + 95898357.

It is an arithmetic number, because the mean of its divisors is an integer number (95898357).

Almost surely, 2^191796713 is an apocalyptic number.

It is an amenable number.

191796713 is a deficient number, since it is larger than the sum of its proper divisors (1).

191796713 is an equidigital number, since it uses as much as digits as its factorization.

191796713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71442, while the sum is 44.

The square root of 191796713 is about 13849.0690300829. The cubic root of 191796713 is about 576.6961516475.

The spelling of 191796713 in words is "one hundred ninety-one million, seven hundred ninety-six thousand, seven hundred thirteen".