42569019 has 6 divisors (see below), whose sum is σ = 61488596. Its totient is φ = 28379340.

The previous prime is 42568997. The next prime is 42569041. The reversal of 42569019 is 91096524.

42569019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42568997) and next prime (42569041).

It is not a de Polignac number, because 42569019 - 2⁷ = 42568891 is a prime.

It is a super-2 number, since 2×42569019² = 3624242757244722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42569089) 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 in 5 ways as a sum of consecutive naturals, for example, 2364937 + ... + 2364954.

Almost surely, 2^42569019 is an apocalyptic number.

42569019 is a deficient number, since it is larger than the sum of its proper divisors (18919577).

42569019 is a wasteful number, since it uses less digits than its factorization.

42569019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729897 (or 4729894 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 42569019 is about 6524.4937734663. The cubic root of 42569019 is about 349.1654101062.

The spelling of 42569019 in words is "forty-two million, five hundred sixty-nine thousand, nineteen".