716891443 has 2 divisors, whose sum is σ = 716891444. Its totient is φ = 716891442.

The previous prime is 716891429. The next prime is 716891447. The reversal of 716891443 is 344198617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 716891443 - 2⁹ = 716890931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 716891443.

It is not a weakly prime, because it can be changed into another prime (716891447) 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, 358445721 + 358445722.

It is an arithmetic number, because the mean of its divisors is an integer number (358445722).

Almost surely, 2^716891443 is an apocalyptic number.

716891443 is a deficient number, since it is larger than the sum of its proper divisors (1).

716891443 is an equidigital number, since it uses as much as digits as its factorization.

716891443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 716891443 is about 26774.8285335313. The cubic root of 716891443 is about 894.9892086961.

The spelling of 716891443 in words is "seven hundred sixteen million, eight hundred ninety-one thousand, four hundred forty-three".