42092419 has 2 divisors, whose sum is σ = 42092420. Its totient is φ = 42092418.

The previous prime is 42092411. The next prime is 42092423. The reversal of 42092419 is 91429024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42092419 - 2³ = 42092411 is a prime.

It is a super-2 number, since 2×42092419² = 3543543474543122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42092411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21046209 + 21046210.

It is an arithmetic number, because the mean of its divisors is an integer number (21046210).

Almost surely, 2^42092419 is an apocalyptic number.

42092419 is a deficient number, since it is larger than the sum of its proper divisors (1).

42092419 is an equidigital number, since it uses as much as digits as its factorization.

42092419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 42092419 is about 6487.8670609068. The cubic root of 42092419 is about 347.8574387440.

The spelling of 42092419 in words is "forty-two million, ninety-two thousand, four hundred nineteen".