42449683 has 2 divisors, whose sum is σ = 42449684. Its totient is φ = 42449682.

The previous prime is 42449647. The next prime is 42449713. The reversal of 42449683 is 38694424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42449683 - 2⁹ = 42449171 is a prime.

It is not a weakly prime, because it can be changed into another prime (42449383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21224841 + 21224842.

It is an arithmetic number, because the mean of its divisors is an integer number (21224842).

Almost surely, 2^42449683 is an apocalyptic number.

42449683 is a deficient number, since it is larger than the sum of its proper divisors (1).

42449683 is an equidigital number, since it uses as much as digits as its factorization.

42449683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 42449683 is about 6515.3421245549. The cubic root of 42449683 is about 348.8388267378.

The spelling of 42449683 in words is "forty-two million, four hundred forty-nine thousand, six hundred eighty-three".