184991442949 has 2 divisors, whose sum is σ = 184991442950. Its totient is φ = 184991442948.

The previous prime is 184991442847. The next prime is 184991443051. The reversal of 184991442949 is 949244199481.

It is a balanced prime because it is at equal distance from previous prime (184991442847) and next prime (184991443051).

It can be written as a sum of positive squares in only one way, i.e., 167456916225 + 17534526724 = 409215^2 + 132418^2 .

It is a cyclic number.

It is not a de Polignac number, because 184991442949 - 2¹⁵ = 184991410181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (184991445949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92495721474 + 92495721475.

It is an arithmetic number, because the mean of its divisors is an integer number (92495721475).

Almost surely, 2^184991442949 is an apocalyptic number.

It is an amenable number.

184991442949 is a deficient number, since it is larger than the sum of its proper divisors (1).

184991442949 is an equidigital number, since it uses as much as digits as its factorization.

184991442949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26873856, while the sum is 64.

The spelling of 184991442949 in words is "one hundred eighty-four billion, nine hundred ninety-one million, four hundred forty-two thousand, nine hundred forty-nine".