2271435641 has 2 divisors, whose sum is σ = 2271435642. Its totient is φ = 2271435640.

The previous prime is 2271435613. The next prime is 2271435653. The reversal of 2271435641 is 1465341722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716362041 + 555073600 = 41429^2 + 23560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2271435641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2271435601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135717820 + 1135717821.

It is an arithmetic number, because the mean of its divisors is an integer number (1135717821).

Almost surely, 2^2271435641 is an apocalyptic number.

It is an amenable number.

2271435641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271435641 is an equidigital number, since it uses as much as digits as its factorization.

2271435641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 2271435641 is about 47659.5807891761. The cubic root of 2271435641 is about 1314.5188312205.

The spelling of 2271435641 in words is "two billion, two hundred seventy-one million, four hundred thirty-five thousand, six hundred forty-one".