4271423581 has 2 divisors, whose sum is σ = 4271423582. Its totient is φ = 4271423580.

The previous prime is 4271423521. The next prime is 4271423599. The reversal of 4271423581 is 1853241724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3098703556 + 1172720025 = 55666^2 + 34245^2 .

It is a cyclic number.

It is not a de Polignac number, because 4271423581 - 2¹⁵ = 4271390813 is a prime.

It is a super-2 number, since 2×4271423581² = 36490118816645727122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4271423581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4271423521) 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 as a sum of consecutive naturals, namely, 2135711790 + 2135711791.

It is an arithmetic number, because the mean of its divisors is an integer number (2135711791).

Almost surely, 2^4271423581 is an apocalyptic number.

It is an amenable number.

4271423581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4271423581 is an equidigital number, since it uses as much as digits as its factorization.

4271423581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 37.

The square root of 4271423581 is about 65356.1288709789. The cubic root of 4271423581 is about 1622.5230689904.

The spelling of 4271423581 in words is "four billion, two hundred seventy-one million, four hundred twenty-three thousand, five hundred eighty-one".