2271706739 has 2 divisors, whose sum is σ = 2271706740. Its totient is φ = 2271706738.

The previous prime is 2271706733. The next prime is 2271706741. The reversal of 2271706739 is 9376071722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2271706739 - 2⁸ = 2271706483 is a prime.

Together with 2271706741, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2271706739.

It is not a weakly prime, because it can be changed into another prime (2271706733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135853369 + 1135853370.

It is an arithmetic number, because the mean of its divisors is an integer number (1135853370).

Almost surely, 2^2271706739 is an apocalyptic number.

2271706739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271706739 is an equidigital number, since it uses as much as digits as its factorization.

2271706739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 2271706739 is about 47662.4248124243. The cubic root of 2271706739 is about 1314.5711254968.

The spelling of 2271706739 in words is "two billion, two hundred seventy-one million, seven hundred six thousand, seven hundred thirty-nine".