2017009849 has 2 divisors, whose sum is σ = 2017009850. Its totient is φ = 2017009848.

The previous prime is 2017009843. The next prime is 2017009853. The reversal of 2017009849 is 9489007102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1176009849 + 841000000 = 34293^2 + 29000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2017009849 - 2⁷ = 2017009721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2017009843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008504924 + 1008504925.

It is an arithmetic number, because the mean of its divisors is an integer number (1008504925).

Almost surely, 2^2017009849 is an apocalyptic number.

It is an amenable number.

2017009849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2017009849 is an equidigital number, since it uses as much as digits as its factorization.

2017009849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 2017009849 is about 44911.1327957779. The cubic root of 2017009849 is about 1263.4828158499.

The spelling of 2017009849 in words is "two billion, seventeen million, nine thousand, eight hundred forty-nine".