182009009989 has 2 divisors, whose sum is σ = 182009009990. Its totient is φ = 182009009988.

The previous prime is 182009009981. The next prime is 182009010023. The reversal of 182009009989 is 989900900281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129495621025 + 52513388964 = 359855^2 + 229158^2 .

It is a cyclic number.

It is not a de Polignac number, because 182009009989 - 2³ = 182009009981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (182009009981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91004504994 + 91004504995.

It is an arithmetic number, because the mean of its divisors is an integer number (91004504995).

Almost surely, 2^182009009989 is an apocalyptic number.

It is an amenable number.

182009009989 is a deficient number, since it is larger than the sum of its proper divisors (1).

182009009989 is an equidigital number, since it uses as much as digits as its factorization.

182009009989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 55.

The spelling of 182009009989 in words is "one hundred eighty-two billion, nine million, nine thousand, nine hundred eighty-nine".