99429193 has 2 divisors, whose sum is σ = 99429194. Its totient is φ = 99429192.

The previous prime is 99429191. The next prime is 99429221. The reversal of 99429193 is 39192499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98962704 + 466489 = 9948^2 + 683^2 .

It is an emirp because it is prime and its reverse (39192499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99429193 - 2¹ = 99429191 is a prime.

Together with 99429191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (99429191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49714596 + 49714597.

It is an arithmetic number, because the mean of its divisors is an integer number (49714597).

Almost surely, 2^99429193 is an apocalyptic number.

It is an amenable number.

99429193 is a deficient number, since it is larger than the sum of its proper divisors (1).

99429193 is an equidigital number, since it uses as much as digits as its factorization.

99429193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 46.

The square root of 99429193 is about 9971.4188057668. The cubic root of 99429193 is about 463.2740471849.

The spelling of 99429193 in words is "ninety-nine million, four hundred twenty-nine thousand, one hundred ninety-three".