2671275991 has 2 divisors, whose sum is σ = 2671275992. Its totient is φ = 2671275990.

The previous prime is 2671275979. The next prime is 2671276021. The reversal of 2671275991 is 1995721762.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2671275991 - 2⁹ = 2671275479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2671275941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335637995 + 1335637996.

It is an arithmetic number, because the mean of its divisors is an integer number (1335637996).

Almost surely, 2^2671275991 is an apocalyptic number.

2671275991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2671275991 is an equidigital number, since it uses as much as digits as its factorization.

2671275991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 49.

The square root of 2671275991 is about 51684.3882715081. The cubic root of 2671275991 is about 1387.5210705455.

The spelling of 2671275991 in words is "two billion, six hundred seventy-one million, two hundred seventy-five thousand, nine hundred ninety-one".