6342591271 has 2 divisors, whose sum is σ = 6342591272. Its totient is φ = 6342591270.

The previous prime is 6342591257. The next prime is 6342591293. The reversal of 6342591271 is 1721952436.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6342591271 - 2⁵ = 6342591239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6342591071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3171295635 + 3171295636.

It is an arithmetic number, because the mean of its divisors is an integer number (3171295636).

Almost surely, 2^6342591271 is an apocalyptic number.

6342591271 is a deficient number, since it is larger than the sum of its proper divisors (1).

6342591271 is an equidigital number, since it uses as much as digits as its factorization.

6342591271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 6342591271 is about 79640.3871851462. The cubic root of 6342591271 is about 1851.0674405601.

The spelling of 6342591271 in words is "six billion, three hundred forty-two million, five hundred ninety-one thousand, two hundred seventy-one".