42364469 has 6 divisors (see below), whose sum is σ = 49281174. Its totient is φ = 36312360.

The previous prime is 42364451. The next prime is 42364481. The reversal of 42364469 is 96446324.

42364469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 1787569 = 6370^2 + 1337^2 .

It is not a de Polignac number, because 42364469 - 2⁸ = 42364213 is a prime.

It is a super-2 number, since 2×42364469² = 3589496467303922, 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 (42364429) 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, 432242 + ... + 432339.

It is an arithmetic number, because the mean of its divisors is an integer number (8213529).

Almost surely, 2^42364469 is an apocalyptic number.

42364469 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

42364469 is a deficient number, since it is larger than the sum of its proper divisors (6916705).

42364469 is an equidigital number, since it uses as much as digits as its factorization.

42364469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864595 (or 864588 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 42364469 is about 6508.7993516470. The cubic root of 42364469 is about 348.6052492987.

The spelling of 42364469 in words is "forty-two million, three hundred sixty-four thousand, four hundred sixty-nine".