4048847939 has 4 divisors (see below), whose sum is σ = 4061080440. Its totient is φ = 4036615440.

The previous prime is 4048847927. The next prime is 4048847953. The reversal of 4048847939 is 9397488404.

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 4048847939 - 2¹⁶ = 4048782403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4048847339) 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, 6115754 + ... + 6116415.

It is an arithmetic number, because the mean of its divisors is an integer number (1015270110).

Almost surely, 2^4048847939 is an apocalyptic number.

4048847939 is a deficient number, since it is larger than the sum of its proper divisors (12232501).

4048847939 is a wasteful number, since it uses less digits than its factorization.

4048847939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12232500.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The square root of 4048847939 is about 63630.5582169448. The cubic root of 4048847939 is about 1593.8366977745.

The spelling of 4048847939 in words is "four billion, forty-eight million, eight hundred forty-seven thousand, nine hundred thirty-nine".