42163569 has 36 divisors (see below), whose sum is σ = 71954064. Its totient is φ = 23717232.

The previous prime is 42163549. The next prime is 42163601. The reversal of 42163569 is 96536124.

It is a happy number.

42163569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42163569 - 2¹⁶ = 42098033 is a prime.

It is a super-2 number, since 2×42163569² = 3555533101635522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42163549) 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 35 ways as a sum of consecutive naturals, for example, 28834 + ... + 30260.

It is an arithmetic number, because the mean of its divisors is an integer number (1998724).

Almost surely, 2^42163569 is an apocalyptic number.

42163569 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

42163569 is a deficient number, since it is larger than the sum of its proper divisors (29790495).

42163569 is a wasteful number, since it uses less digits than its factorization.

42163569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1504 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 42163569 is about 6493.3480578204. The cubic root of 42163569 is about 348.0533261523.

The spelling of 42163569 in words is "forty-two million, one hundred sixty-three thousand, five hundred sixty-nine".