186112224989 has 2 divisors, whose sum is σ = 186112224990. Its totient is φ = 186112224988.

The previous prime is 186112224913. The next prime is 186112225009. The reversal of 186112224989 is 989422211681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127870608100 + 58241616889 = 357590^2 + 241333^2 .

It is an emirp because it is prime and its reverse (989422211681) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 186112224989 - 2²⁸ = 185843789533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 186112224989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (186112224289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93056112494 + 93056112495.

It is an arithmetic number, because the mean of its divisors is an integer number (93056112495).

Almost surely, 2^186112224989 is an apocalyptic number.

It is an amenable number.

186112224989 is a deficient number, since it is larger than the sum of its proper divisors (1).

186112224989 is an equidigital number, since it uses as much as digits as its factorization.

186112224989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 53.

The spelling of 186112224989 in words is "one hundred eighty-six billion, one hundred twelve million, two hundred twenty-four thousand, nine hundred eighty-nine".