7216717999 has 2 divisors, whose sum is σ = 7216718000. Its totient is φ = 7216717998.

The previous prime is 7216717987. The next prime is 7216718083. The reversal of 7216717999 is 9997176127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7216717999 - 2⁵ = 7216717967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7216717919) 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, 3608358999 + 3608359000.

It is an arithmetic number, because the mean of its divisors is an integer number (3608359000).

Almost surely, 2^7216717999 is an apocalyptic number.

7216717999 is a deficient number, since it is larger than the sum of its proper divisors (1).

7216717999 is an equidigital number, since it uses as much as digits as its factorization.

7216717999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000564, while the sum is 58.

The square root of 7216717999 is about 84951.2683778176. The cubic root of 7216717999 is about 1932.4721556727.

The spelling of 7216717999 in words is "seven billion, two hundred sixteen million, seven hundred seventeen thousand, nine hundred ninety-nine".