2045435009 has 2 divisors, whose sum is σ = 2045435010. Its totient is φ = 2045435008.

The previous prime is 2045434991. The next prime is 2045435033. The reversal of 2045435009 is 9005345402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1255993600 + 789441409 = 35440^2 + 28097^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045435009 - 2⁸ = 2045434753 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045435089) 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, 1022717504 + 1022717505.

It is an arithmetic number, because the mean of its divisors is an integer number (1022717505).

Almost surely, 2^2045435009 is an apocalyptic number.

It is an amenable number.

2045435009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045435009 is an equidigital number, since it uses as much as digits as its factorization.

2045435009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2045435009 is about 45226.4857025173. The cubic root of 2045435009 is about 1269.3904547996.

The spelling of 2045435009 in words is "two billion, forty-five million, four hundred thirty-five thousand, nine".