91716713443 has 2 divisors, whose sum is σ = 91716713444. Its totient is φ = 91716713442.

The previous prime is 91716713401. The next prime is 91716713461. The reversal of 91716713443 is 34431761719.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91716713443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91716713393 and 91716713402.

It is not a weakly prime, because it can be changed into another prime (91716783443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45858356721 + 45858356722.

It is an arithmetic number, because the mean of its divisors is an integer number (45858356722).

Almost surely, 2^91716713443 is an apocalyptic number.

91716713443 is a deficient number, since it is larger than the sum of its proper divisors (1).

91716713443 is an equidigital number, since it uses as much as digits as its factorization.

91716713443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The spelling of 91716713443 in words is "ninety-one billion, seven hundred sixteen million, seven hundred thirteen thousand, four hundred forty-three".