99992149 has 2 divisors, whose sum is σ = 99992150. Its totient is φ = 99992148.

The previous prime is 99992141. The next prime is 99992161. The reversal of 99992149 is 94129999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64112049 + 35880100 = 8007^2 + 5990^2 .

It is a cyclic number.

It is not a de Polignac number, because 99992149 - 2³ = 99992141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99992096 and 99992105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99992141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49996074 + 49996075.

It is an arithmetic number, because the mean of its divisors is an integer number (49996075).

Almost surely, 2^99992149 is an apocalyptic number.

It is an amenable number.

99992149 is a deficient number, since it is larger than the sum of its proper divisors (1).

99992149 is an equidigital number, since it uses as much as digits as its factorization.

99992149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472392, while the sum is 52.

The square root of 99992149 is about 9999.6074422949. The cubic root of 99992149 is about 464.1467360054.

The spelling of 99992149 in words is "ninety-nine million, nine hundred ninety-two thousand, one hundred forty-nine".