2671275491 has 2 divisors, whose sum is σ = 2671275492. Its totient is φ = 2671275490.

The previous prime is 2671275479. The next prime is 2671275511. The reversal of 2671275491 is 1945721762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2671275491 - 2³⁰ = 1597533667 is a prime.

It is not a weakly prime, because it can be changed into another prime (2671275991) 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 as a sum of consecutive naturals, namely, 1335637745 + 1335637746.

It is an arithmetic number, because the mean of its divisors is an integer number (1335637746).

Almost surely, 2^2671275491 is an apocalyptic number.

2671275491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2671275491 is an equidigital number, since it uses as much as digits as its factorization.

2671275491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 2671275491 is about 51684.3834344573. The cubic root of 2671275491 is about 1387.5209839750.

The spelling of 2671275491 in words is "two billion, six hundred seventy-one million, two hundred seventy-five thousand, four hundred ninety-one".