42349933 has 2 divisors, whose sum is σ = 42349934. Its totient is φ = 42349932.

The previous prime is 42349861. The next prime is 42349949. The reversal of 42349933 is 33994324.

42349933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 3636649 = 6222^2 + 1907^2 .

It is a cyclic number.

It is not a de Polignac number, because 42349933 - 2⁹ = 42349421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42349892 and 42349901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42349973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21174966 + 21174967.

It is an arithmetic number, because the mean of its divisors is an integer number (21174967).

Almost surely, 2^42349933 is an apocalyptic number.

It is an amenable number.

42349933 is a deficient number, since it is larger than the sum of its proper divisors (1).

42349933 is an equidigital number, since it uses as much as digits as its factorization.

42349933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 37.

The square root of 42349933 is about 6507.6826136498. The cubic root of 42349933 is about 348.5653738582.

The spelling of 42349933 in words is "forty-two million, three hundred forty-nine thousand, nine hundred thirty-three".