718647746753 has 2 divisors, whose sum is σ = 718647746754. Its totient is φ = 718647746752.

The previous prime is 718647746711. The next prime is 718647746833. The reversal of 718647746753 is 357647746817.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 686589560449 + 32058186304 = 828607^2 + 179048^2 .

It is an emirp because it is prime and its reverse (357647746817) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 718647746753 - 2⁶ = 718647746689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 718647746753.

It is not a weakly prime, because it can be changed into another prime (718647746053) 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, 359323873376 + 359323873377.

It is an arithmetic number, because the mean of its divisors is an integer number (359323873377).

Almost surely, 2^718647746753 is an apocalyptic number.

It is an amenable number.

718647746753 is a deficient number, since it is larger than the sum of its proper divisors (1).

718647746753 is an equidigital number, since it uses as much as digits as its factorization.

718647746753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165957120, while the sum is 65.

The spelling of 718647746753 in words is "seven hundred eighteen billion, six hundred forty-seven million, seven hundred forty-six thousand, seven hundred fifty-three".