4049279999 has 4 divisors (see below), whose sum is σ = 4051865664. Its totient is φ = 4046694336.

The previous prime is 4049279989. The next prime is 4049280071. The reversal of 4049279999 is 9999729404.

It is a happy number.

4049279999 is digitally balanced in base 3, 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 a de Polignac number, because none of the positive numbers 2^k-4049279999 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 (4049279989) 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, 1290482 + ... + 1293615.

It is an arithmetic number, because the mean of its divisors is an integer number (1012966416).

Almost surely, 2^4049279999 is an apocalyptic number.

4049279999 is a deficient number, since it is larger than the sum of its proper divisors (2585665).

4049279999 is a wasteful number, since it uses less digits than its factorization.

4049279999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585664.

The product of its (nonzero) digits is 13226976, while the sum is 62.

The square root of 4049279999 is about 63633.9531932442. The cubic root of 4049279999 is about 1593.8933895051.

The spelling of 4049279999 in words is "four billion, forty-nine million, two hundred seventy-nine thousand, nine hundred ninety-nine".