2279641841 has 2 divisors, whose sum is σ = 2279641842. Its totient is φ = 2279641840.

The previous prime is 2279641829. The next prime is 2279641873. The reversal of 2279641841 is 1481469722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1301766400 + 977875441 = 36080^2 + 31271^2 .

It is a cyclic number.

It is not a de Polignac number, because 2279641841 - 2¹⁰ = 2279640817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2279641792 and 2279641801.

It is not a weakly prime, because it can be changed into another prime (2279640841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139820920 + 1139820921.

It is an arithmetic number, because the mean of its divisors is an integer number (1139820921).

Almost surely, 2^2279641841 is an apocalyptic number.

It is an amenable number.

2279641841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2279641841 is an equidigital number, since it uses as much as digits as its factorization.

2279641841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 2279641841 is about 47745.5949905329. The cubic root of 2279641841 is about 1316.0999516429.

The spelling of 2279641841 in words is "two billion, two hundred seventy-nine million, six hundred forty-one thousand, eight hundred forty-one".