4048197139 has 4 divisors (see below), whose sum is σ = 4626511024. Its totient is φ = 3469883256.

The previous prime is 4048197137. The next prime is 4048197163. The reversal of 4048197139 is 9317918404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4048197139 - 2¹ = 4048197137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4048197137) 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, 289156932 + ... + 289156945.

It is an arithmetic number, because the mean of its divisors is an integer number (1156627756).

Almost surely, 2^4048197139 is an apocalyptic number.

4048197139 is a deficient number, since it is larger than the sum of its proper divisors (578313885).

4048197139 is an equidigital number, since it uses as much as digits as its factorization.

4048197139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578313884.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 4048197139 is about 63625.4441163282. Note that the first 3 decimals coincide. The cubic root of 4048197139 is about 1593.7512969791.

The spelling of 4048197139 in words is "four billion, forty-eight million, one hundred ninety-seven thousand, one hundred thirty-nine".