18114233693 has 2 divisors, whose sum is σ = 18114233694. Its totient is φ = 18114233692.

The previous prime is 18114233611. The next prime is 18114233729. The reversal of 18114233693 is 39633241181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17055837604 + 1058396089 = 130598^2 + 32533^2 .

It is a cyclic number.

It is not a de Polignac number, because 18114233693 - 2¹⁶ = 18114168157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18114233693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18114233593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9057116846 + 9057116847.

It is an arithmetic number, because the mean of its divisors is an integer number (9057116847).

Almost surely, 2^18114233693 is an apocalyptic number.

It is an amenable number.

18114233693 is a deficient number, since it is larger than the sum of its proper divisors (1).

18114233693 is an equidigital number, since it uses as much as digits as its factorization.

18114233693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The spelling of 18114233693 in words is "eighteen billion, one hundred fourteen million, two hundred thirty-three thousand, six hundred ninety-three".