42368519 has 2 divisors, whose sum is σ = 42368520. Its totient is φ = 42368518.

The previous prime is 42368497. The next prime is 42368527. The reversal of 42368519 is 91586324.

It is a happy number.

42368519 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 is a cyclic number.

It is not a de Polignac number, because 42368519 - 2¹⁶ = 42302983 is a prime.

It is a super-2 number, since 2×42368519² = 3590182804506722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42368419) 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, 21184259 + 21184260.

It is an arithmetic number, because the mean of its divisors is an integer number (21184260).

Almost surely, 2^42368519 is an apocalyptic number.

42368519 is a deficient number, since it is larger than the sum of its proper divisors (1).

42368519 is an equidigital number, since it uses as much as digits as its factorization.

42368519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 42368519 is about 6509.1104614993. The cubic root of 42368519 is about 348.6163577134.

The spelling of 42368519 in words is "forty-two million, three hundred sixty-eight thousand, five hundred nineteen".