6291471271 has 2 divisors, whose sum is σ = 6291471272. Its totient is φ = 6291471270.

The previous prime is 6291471259. The next prime is 6291471293. The reversal of 6291471271 is 1721741926.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6291471271 - 2⁵ = 6291471239 is a prime.

It is a super-2 number, since 2×6291471271² = 79165221507636710882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6291474271) 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, 3145735635 + 3145735636.

It is an arithmetic number, because the mean of its divisors is an integer number (3145735636).

Almost surely, 2^6291471271 is an apocalyptic number.

6291471271 is a deficient number, since it is larger than the sum of its proper divisors (1).

6291471271 is an equidigital number, since it uses as much as digits as its factorization.

6291471271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 40.

The square root of 6291471271 is about 79318.7951938253. The cubic root of 6291471271 is about 1846.0809436306.

The spelling of 6291471271 in words is "six billion, two hundred ninety-one million, four hundred seventy-one thousand, two hundred seventy-one".