4042623269 has 4 divisors (see below), whose sum is σ = 4042757196. Its totient is φ = 4042489344.

The previous prime is 4042623209. The next prime is 4042623289. The reversal of 4042623269 is 9623262404.

4042623269 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 brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 702939169 + 3339684100 = 26513^2 + 57790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4042623269 is a prime.

It is a super-2 number, since 2×4042623269² = 32685605790120492722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042623209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967 + ... + 89939.

It is an arithmetic number, because the mean of its divisors is an integer number (1010689299).

Almost surely, 2^4042623269 is an apocalyptic number.

It is an amenable number.

4042623269 is a deficient number, since it is larger than the sum of its proper divisors (133927).

4042623269 is an equidigital number, since it uses as much as digits as its factorization.

4042623269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133926.

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

The square root of 4042623269 is about 63581.6268193886. The cubic root of 4042623269 is about 1593.0194944460.

The spelling of 4042623269 in words is "four billion, forty-two million, six hundred twenty-three thousand, two hundred sixty-nine".