716391193619 has 2 divisors, whose sum is σ = 716391193620. Its totient is φ = 716391193618.

The previous prime is 716391193601. The next prime is 716391193657. The reversal of 716391193619 is 916391193617.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 716391193619 - 2⁸ = 716391193363 is a prime.

It is a super-2 number, since 2×716391193619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (716391192619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358195596809 + 358195596810.

It is an arithmetic number, because the mean of its divisors is an integer number (358195596810).

Almost surely, 2^716391193619 is an apocalyptic number.

716391193619 is a deficient number, since it is larger than the sum of its proper divisors (1).

716391193619 is an equidigital number, since it uses as much as digits as its factorization.

716391193619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1653372, while the sum is 56.

The spelling of 716391193619 in words is "seven hundred sixteen billion, three hundred ninety-one million, one hundred ninety-three thousand, six hundred nineteen".