42544699 has 4 divisors (see below), whose sum is σ = 42620040. Its totient is φ = 42469360.

The previous prime is 42544681. The next prime is 42544763. The reversal of 42544699 is 99644524.

42544699 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.

It is a cyclic number.

It is not a de Polignac number, because 42544699 - 2¹⁷ = 42413627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42544199) 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, 36817 + ... + 37954.

It is an arithmetic number, because the mean of its divisors is an integer number (10655010).

Almost surely, 2^42544699 is an apocalyptic number.

42544699 is a deficient number, since it is larger than the sum of its proper divisors (75341).

42544699 is an equidigital number, since it uses as much as digits as its factorization.

42544699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75340.

The product of its digits is 311040, while the sum is 43.

The square root of 42544699 is about 6522.6297610703. The cubic root of 42544699 is about 349.0989038331.

The spelling of 42544699 in words is "forty-two million, five hundred forty-four thousand, six hundred ninety-nine".