2045342249 has 2 divisors, whose sum is σ = 2045342250. Its totient is φ = 2045342248.

The previous prime is 2045342219. The next prime is 2045342279. The reversal of 2045342249 is 9422435402.

It is a balanced prime because it is at equal distance from previous prime (2045342219) and next prime (2045342279).

It can be written as a sum of positive squares in only one way, i.e., 1889467024 + 155875225 = 43468^2 + 12485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045342249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045342209) 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, 1022671124 + 1022671125.

It is an arithmetic number, because the mean of its divisors is an integer number (1022671125).

Almost surely, 2^2045342249 is an apocalyptic number.

It is an amenable number.

2045342249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045342249 is an equidigital number, since it uses as much as digits as its factorization.

2045342249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2045342249 is about 45225.4601856078. The cubic root of 2045342249 is about 1269.3712656559.

The spelling of 2045342249 in words is "two billion, forty-five million, three hundred forty-two thousand, two hundred forty-nine".