2279745311 has 2 divisors, whose sum is σ = 2279745312. Its totient is φ = 2279745310.

The previous prime is 2279745277. The next prime is 2279745323. The reversal of 2279745311 is 1135479722.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2279745311 is a prime.

It is a super-3 number, since 3×2279745311³ (a number of 29 digits) contains 333 as substring.

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 (2279745331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139872655 + 1139872656.

It is an arithmetic number, because the mean of its divisors is an integer number (1139872656).

Almost surely, 2^2279745311 is an apocalyptic number.

2279745311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2279745311 is an equidigital number, since it uses as much as digits as its factorization.

2279745311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 2279745311 is about 47746.6785336949. The cubic root of 2279745311 is about 1316.1198633675.

The spelling of 2279745311 in words is "two billion, two hundred seventy-nine million, seven hundred forty-five thousand, three hundred eleven".