718241868247 has 2 divisors, whose sum is σ = 718241868248. Its totient is φ = 718241868246.

The previous prime is 718241868131. The next prime is 718241868259. The reversal of 718241868247 is 742868142817.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 718241868247 - 2⁷ = 718241868119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 718241868191 and 718241868200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (718241868287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359120934123 + 359120934124.

It is an arithmetic number, because the mean of its divisors is an integer number (359120934124).

Almost surely, 2^718241868247 is an apocalyptic number.

718241868247 is a deficient number, since it is larger than the sum of its proper divisors (1).

718241868247 is an equidigital number, since it uses as much as digits as its factorization.

718241868247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9633792, while the sum is 58.

The spelling of 718241868247 in words is "seven hundred eighteen billion, two hundred forty-one million, eight hundred sixty-eight thousand, two hundred forty-seven".