4042809499 has 4 divisors (see below), whose sum is σ = 4046132664. Its totient is φ = 4039486336.

The previous prime is 4042809497. The next prime is 4042809527. The reversal of 4042809499 is 9949082404.

4042809499 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 4042809499 - 2¹ = 4042809497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042809497) 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, 1659757 + ... + 1662190.

It is an arithmetic number, because the mean of its divisors is an integer number (1011533166).

Almost surely, 2^4042809499 is an apocalyptic number.

4042809499 is a deficient number, since it is larger than the sum of its proper divisors (3323165).

4042809499 is a wasteful number, since it uses less digits than its factorization.

4042809499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323164.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 4042809499 is about 63583.0912979229. The cubic root of 4042809499 is about 1593.0439557462.

The spelling of 4042809499 in words is "four billion, forty-two million, eight hundred nine thousand, four hundred ninety-nine".