2291377211 has 2 divisors, whose sum is σ = 2291377212. Its totient is φ = 2291377210.

The previous prime is 2291377201. The next prime is 2291377213. The reversal of 2291377211 is 1127731922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2291377211 - 2¹⁸ = 2291115067 is a prime.

Together with 2291377213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2291377213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145688605 + 1145688606.

It is an arithmetic number, because the mean of its divisors is an integer number (1145688606).

Almost surely, 2^2291377211 is an apocalyptic number.

2291377211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2291377211 is an equidigital number, since it uses as much as digits as its factorization.

2291377211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

The square root of 2291377211 is about 47868.3320265079. The cubic root of 2291377211 is about 1318.3544713629.

The spelling of 2291377211 in words is "two billion, two hundred ninety-one million, three hundred seventy-seven thousand, two hundred eleven".