4271891279 has 4 divisors (see below), whose sum is σ = 4272022776. Its totient is φ = 4271759784.

The previous prime is 4271891251. The next prime is 4271891329. The reversal of 4271891279 is 9721981724.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4271891279 - 2¹² = 4271887183 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 (4271891209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22172 + ... + 95054.

It is an arithmetic number, because the mean of its divisors is an integer number (1068005694).

Almost surely, 2^4271891279 is an apocalyptic number.

4271891279 is a deficient number, since it is larger than the sum of its proper divisors (131497).

4271891279 is an equidigital number, since it uses as much as digits as its factorization.

4271891279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131496.

The product of its digits is 508032, while the sum is 50.

The square root of 4271891279 is about 65359.7068460378. The cubic root of 4271891279 is about 1622.5822860239.

The spelling of 4271891279 in words is "four billion, two hundred seventy-one million, eight hundred ninety-one thousand, two hundred seventy-nine".