2045394259 has 2 divisors, whose sum is σ = 2045394260. Its totient is φ = 2045394258.

The previous prime is 2045394139. The next prime is 2045394271. The reversal of 2045394259 is 9524935402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2045394259 - 2⁹ = 2045393747 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045394059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022697129 + 1022697130.

It is an arithmetic number, because the mean of its divisors is an integer number (1022697130).

Almost surely, 2^2045394259 is an apocalyptic number.

2045394259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045394259 is an equidigital number, since it uses as much as digits as its factorization.

2045394259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 2045394259 is about 45226.0351899213. The cubic root of 2045394259 is about 1269.3820249702.

The spelling of 2045394259 in words is "two billion, forty-five million, three hundred ninety-four thousand, two hundred fifty-nine".