817849714711 has 2 divisors, whose sum is σ = 817849714712. Its totient is φ = 817849714710.

The previous prime is 817849714709. The next prime is 817849714741. The reversal of 817849714711 is 117417948718.

It is a happy number.

817849714711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 817849714711 - 2¹ = 817849714709 is a prime.

Together with 817849714709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (817849714741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408924857355 + 408924857356.

It is an arithmetic number, because the mean of its divisors is an integer number (408924857356).

Almost surely, 2^817849714711 is an apocalyptic number.

817849714711 is a deficient number, since it is larger than the sum of its proper divisors (1).

817849714711 is an equidigital number, since it uses as much as digits as its factorization.

817849714711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3161088, while the sum is 58.

The spelling of 817849714711 in words is "eight hundred seventeen billion, eight hundred forty-nine million, seven hundred fourteen thousand, seven hundred eleven".