2971996271 has 2 divisors, whose sum is σ = 2971996272. Its totient is φ = 2971996270.

The previous prime is 2971996259. The next prime is 2971996303. The reversal of 2971996271 is 1726991792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2971996271 - 2³⁰ = 1898254447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2971996201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1485998135 + 1485998136.

It is an arithmetic number, because the mean of its divisors is an integer number (1485998136).

Almost surely, 2^2971996271 is an apocalyptic number.

2971996271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2971996271 is an equidigital number, since it uses as much as digits as its factorization.

2971996271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 53.

The square root of 2971996271 is about 54516.0184808098. The cubic root of 2971996271 is about 1437.7479379368.

The spelling of 2971996271 in words is "two billion, nine hundred seventy-one million, nine hundred ninety-six thousand, two hundred seventy-one".