2040070849 has 2 divisors, whose sum is σ = 2040070850. Its totient is φ = 2040070848.

The previous prime is 2040070829. The next prime is 2040070867. The reversal of 2040070849 is 9480700402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716610624 + 323460225 = 41432^2 + 17985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040070849 - 2⁵ = 2040070817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040070829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020035424 + 1020035425.

It is an arithmetic number, because the mean of its divisors is an integer number (1020035425).

Almost surely, 2^2040070849 is an apocalyptic number.

It is an amenable number.

2040070849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040070849 is an equidigital number, since it uses as much as digits as its factorization.

2040070849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2040070849 is about 45167.1434673480. The cubic root of 2040070849 is about 1268.2798231484.

The spelling of 2040070849 in words is "two billion, forty million, seventy thousand, eight hundred forty-nine".