2045649059 has 2 divisors, whose sum is σ = 2045649060. Its totient is φ = 2045649058.

The previous prime is 2045649031. The next prime is 2045649077. The reversal of 2045649059 is 9509465402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2045649059 - 2¹⁶ = 2045583523 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045649029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022824529 + 1022824530.

It is an arithmetic number, because the mean of its divisors is an integer number (1022824530).

Almost surely, 2^2045649059 is an apocalyptic number.

2045649059 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045649059 is an equidigital number, since it uses as much as digits as its factorization.

2045649059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 2045649059 is about 45228.8520636993. The cubic root of 2045649059 is about 1269.4347328379.

The spelling of 2045649059 in words is "two billion, forty-five million, six hundred forty-nine thousand, fifty-nine".