717498480947 has 2 divisors, whose sum is σ = 717498480948. Its totient is φ = 717498480946.

The previous prime is 717498480877. The next prime is 717498480953. The reversal of 717498480947 is 749084894717.

It is a strong prime.

It is an emirp because it is prime and its reverse (749084894717) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 717498480947 - 2¹⁴ = 717498464563 is a prime.

It is a super-2 number, since 2×717498480947² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (717498380947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358749240473 + 358749240474.

It is an arithmetic number, because the mean of its divisors is an integer number (358749240474).

Almost surely, 2^717498480947 is an apocalyptic number.

717498480947 is a deficient number, since it is larger than the sum of its proper divisors (1).

717498480947 is an equidigital number, since it uses as much as digits as its factorization.

717498480947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113799168, while the sum is 68.

The spelling of 717498480947 in words is "seven hundred seventeen billion, four hundred ninety-eight million, four hundred eighty thousand, nine hundred forty-seven".