718869812279 has 2 divisors, whose sum is σ = 718869812280. Its totient is φ = 718869812278.

The previous prime is 718869812207. The next prime is 718869812291. The reversal of 718869812279 is 972218968817.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 718869812279 - 2²⁴ = 718853035063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (718869812779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359434906139 + 359434906140.

It is an arithmetic number, because the mean of its divisors is an integer number (359434906140).

Almost surely, 2^718869812279 is an apocalyptic number.

718869812279 is a deficient number, since it is larger than the sum of its proper divisors (1).

718869812279 is an equidigital number, since it uses as much as digits as its factorization.

718869812279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48771072, while the sum is 68.

The spelling of 718869812279 in words is "seven hundred eighteen billion, eight hundred sixty-nine million, eight hundred twelve thousand, two hundred seventy-nine".