4049036239 has 4 divisors (see below), whose sum is σ = 4050081280. Its totient is φ = 4047991200.

The previous prime is 4049036213. The next prime is 4049036261. The reversal of 4049036239 is 9326309404.

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 4049036239 - 2¹³ = 4049028047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049036269) 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, 516687 + ... + 524464.

It is an arithmetic number, because the mean of its divisors is an integer number (1012520320).

Almost surely, 2^4049036239 is an apocalyptic number.

4049036239 is a deficient number, since it is larger than the sum of its proper divisors (1045041).

4049036239 is a wasteful number, since it uses less digits than its factorization.

4049036239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045040.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 4049036239 is about 63632.0378347260. The cubic root of 4049036239 is about 1593.8614056093.

It can be divided in two parts, 40490 and 36239, that added together give a square (76729 = 277²).

The spelling of 4049036239 in words is "four billion, forty-nine million, thirty-six thousand, two hundred thirty-nine".