718345086673 has 4 divisors (see below), whose sum is σ = 718628907888. Its totient is φ = 718061265460.

The previous prime is 718345086671. The next prime is 718345086677. The reversal of 718345086673 is 376680543817.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 376680543817 = 41 ⋅9187330337.

It is a cyclic number.

It is not a de Polignac number, because 718345086673 - 2¹ = 718345086671 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (718345086671) 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 in 3 ways as a sum of consecutive naturals, for example, 141906811 + ... + 141911872.

It is an arithmetic number, because the mean of its divisors is an integer number (179657226972).

Almost surely, 2^718345086673 is an apocalyptic number.

It is an amenable number.

718345086673 is a deficient number, since it is larger than the sum of its proper divisors (283821215).

718345086673 is a wasteful number, since it uses less digits than its factorization.

718345086673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283821214.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 718345086673 in words is "seven hundred eighteen billion, three hundred forty-five million, eighty-six thousand, six hundred seventy-three".