18034398018071 has 2 divisors, whose sum is σ = 18034398018072. Its totient is φ = 18034398018070.

The previous prime is 18034398017959. The next prime is 18034398018073. The reversal of 18034398018071 is 17081089343081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18034398018071 - 2³⁸ = 17759520111127 is a prime.

It is a super-2 number, since 2×18034398018071² (a number of 27 digits) contains 22 as substring.

Together with 18034398018073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18034398018073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9017199009035 + 9017199009036.

It is an arithmetic number, because the mean of its divisors is an integer number (9017199009036).

Almost surely, 2^{18034398018071} is an apocalyptic number.

18034398018071 is a deficient number, since it is larger than the sum of its proper divisors (1).

18034398018071 is an equidigital number, since it uses as much as digits as its factorization.

18034398018071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 18034398018071 in words is "eighteen trillion, thirty-four billion, three hundred ninety-eight million, eighteen thousand, seventy-one".