718264640063 has 4 divisors (see below), whose sum is σ = 718320929928. Its totient is φ = 718208350200.

The previous prime is 718264640017. The next prime is 718264640083. The reversal of 718264640063 is 360046462817.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360046462817 = 1447 ⋅248822711.

It is a cyclic number.

It is not a de Polignac number, because 718264640063 - 2⁶ = 718264639999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718264640083) 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 in 3 ways as a sum of consecutive naturals, for example, 28125788 + ... + 28151313.

It is an arithmetic number, because the mean of its divisors is an integer number (179580232482).

Almost surely, 2^718264640063 is an apocalyptic number.

718264640063 is a deficient number, since it is larger than the sum of its proper divisors (56289865).

718264640063 is a wasteful number, since it uses less digits than its factorization.

718264640063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56289864.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 718264640063 in words is "seven hundred eighteen billion, two hundred sixty-four million, six hundred forty thousand, sixty-three".