42927419 has 2 divisors, whose sum is σ = 42927420. Its totient is φ = 42927418.

The previous prime is 42927389. The next prime is 42927439. The reversal of 42927419 is 91472924.

42927419 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 a de Polignac number, because none of the positive numbers 2^k-42927419 is a prime.

It is a super-2 number, since 2×42927419² = 3685526604003122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42927439) 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, 21463709 + 21463710.

It is an arithmetic number, because the mean of its divisors is an integer number (21463710).

Almost surely, 2^42927419 is an apocalyptic number.

42927419 is a deficient number, since it is larger than the sum of its proper divisors (1).

42927419 is an equidigital number, since it uses as much as digits as its factorization.

42927419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 42927419 is about 6551.9019376056. The cubic root of 42927419 is about 350.1425786449.

It can be divided in two parts, 4292 and 7419, that added together give a palindrome (11711).

The spelling of 42927419 in words is "forty-two million, nine hundred twenty-seven thousand, four hundred nineteen".