4049488291 has 4 divisors (see below), whose sum is σ = 4049709472. Its totient is φ = 4049267112.

The previous prime is 4049488279. The next prime is 4049488309. The reversal of 4049488291 is 1928849404.

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 4049488291 - 2⁹ = 4049487779 is a prime.

It is a super-2 number, since 2×4049488291² = 32796710837892201362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4049488211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80376 + ... + 120661.

It is an arithmetic number, because the mean of its divisors is an integer number (1012427368).

Almost surely, 2^4049488291 is an apocalyptic number.

4049488291 is a deficient number, since it is larger than the sum of its proper divisors (221181).

4049488291 is a wasteful number, since it uses less digits than its factorization.

4049488291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221180.

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 4049488291 is about 63635.5898141912. The cubic root of 4049488291 is about 1593.9207186064.

The spelling of 4049488291 in words is "four billion, forty-nine million, four hundred eighty-eight thousand, two hundred ninety-one".