2045305349 has 2 divisors, whose sum is σ = 2045305350. Its totient is φ = 2045305348.

The previous prime is 2045305319. The next prime is 2045305391. The reversal of 2045305349 is 9435035402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1460004100 + 585301249 = 38210^2 + 24193^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045305349 - 2²⁴ = 2028528133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045305319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022652674 + 1022652675.

It is an arithmetic number, because the mean of its divisors is an integer number (1022652675).

Almost surely, 2^2045305349 is an apocalyptic number.

It is an amenable number.

2045305349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045305349 is an equidigital number, since it uses as much as digits as its factorization.

2045305349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2045305349 is about 45225.0522277200. The cubic root of 2045305349 is about 1269.3636320384.

The spelling of 2045305349 in words is "two billion, forty-five million, three hundred five thousand, three hundred forty-nine".