18469006189 has 2 divisors, whose sum is σ = 18469006190. Its totient is φ = 18469006188.

The previous prime is 18469006181. The next prime is 18469006217. The reversal of 18469006189 is 98160096481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12489850564 + 5979155625 = 111758^2 + 77325^2 .

It is a cyclic number.

It is not a de Polignac number, because 18469006189 - 2³ = 18469006181 is a prime.

It is a super-2 number, since 2×18469006189² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18469006181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9234503094 + 9234503095.

It is an arithmetic number, because the mean of its divisors is an integer number (9234503095).

Almost surely, 2^18469006189 is an apocalyptic number.

It is an amenable number.

18469006189 is a deficient number, since it is larger than the sum of its proper divisors (1).

18469006189 is an equidigital number, since it uses as much as digits as its factorization.

18469006189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 18469006189 in words is "eighteen billion, four hundred sixty-nine million, six thousand, one hundred eighty-nine".