4221419791 has 4 divisors (see below), whose sum is σ = 4443599800. Its totient is φ = 3999239784.

The previous prime is 4221419759. The next prime is 4221419809. The reversal of 4221419791 is 1979141224.

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 4221419791 - 2⁵ = 4221419759 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 (4221419291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111089976 + ... + 111090013.

It is an arithmetic number, because the mean of its divisors is an integer number (1110899950).

Almost surely, 2^4221419791 is an apocalyptic number.

4221419791 is a deficient number, since it is larger than the sum of its proper divisors (222180009).

4221419791 is a wasteful number, since it uses less digits than its factorization.

4221419791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222180008.

The product of its digits is 36288, while the sum is 40.

The square root of 4221419791 is about 64972.4540940236. The cubic root of 4221419791 is about 1616.1667984087.

The spelling of 4221419791 in words is "four billion, two hundred twenty-one million, four hundred nineteen thousand, seven hundred ninety-one".