42865469 has 4 divisors (see below), whose sum is σ = 43469280. Its totient is φ = 42261660.

The previous prime is 42865439. The next prime is 42865507. The reversal of 42865469 is 96456824.

42865469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42865469 is a prime.

It is a super-2 number, since 2×42865469² = 3674896865179922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42865409) 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 3 ways as a sum of consecutive naturals, for example, 301799 + ... + 301940.

It is an arithmetic number, because the mean of its divisors is an integer number (10867320).

Almost surely, 2^42865469 is an apocalyptic number.

It is an amenable number.

42865469 is a deficient number, since it is larger than the sum of its proper divisors (603811).

42865469 is an equidigital number, since it uses as much as digits as its factorization.

42865469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603810.

The product of its digits is 414720, while the sum is 44.

The square root of 42865469 is about 6547.1725958615. The cubic root of 42865469 is about 349.9740633841.

It can be divided in two parts, 42865 and 469, that added together give a palindrome (43334).

The spelling of 42865469 in words is "forty-two million, eight hundred sixty-five thousand, four hundred sixty-nine".