181410428099 has 2 divisors, whose sum is σ = 181410428100. Its totient is φ = 181410428098.

The previous prime is 181410428093. The next prime is 181410428191. The reversal of 181410428099 is 990824014181.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 181410428099 - 2⁸ = 181410427843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (181410428093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90705214049 + 90705214050.

It is an arithmetic number, because the mean of its divisors is an integer number (90705214050).

Almost surely, 2^181410428099 is an apocalyptic number.

181410428099 is a deficient number, since it is larger than the sum of its proper divisors (1).

181410428099 is an equidigital number, since it uses as much as digits as its factorization.

181410428099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 47.

The spelling of 181410428099 in words is "one hundred eighty-one billion, four hundred ten million, four hundred twenty-eight thousand, ninety-nine".