2045843377 has 2 divisors, whose sum is σ = 2045843378. Its totient is φ = 2045843376.

The previous prime is 2045843347. The next prime is 2045843383. The reversal of 2045843377 is 7733485402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2045843361 + 16 = 45231^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045843377 - 2⁷ = 2045843249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045843347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022921688 + 1022921689.

It is an arithmetic number, because the mean of its divisors is an integer number (1022921689).

Almost surely, 2^2045843377 is an apocalyptic number.

It is an amenable number.

2045843377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045843377 is an equidigital number, since it uses as much as digits as its factorization.

2045843377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 43.

The square root of 2045843377 is about 45231.0001768698. Note that the first 3 decimals coincide. The cubic root of 2045843377 is about 1269.4749264719.

The spelling of 2045843377 in words is "two billion, forty-five million, eight hundred forty-three thousand, three hundred seventy-seven".