2049649067 has 2 divisors, whose sum is σ = 2049649068. Its totient is φ = 2049649066.

The previous prime is 2049649027. The next prime is 2049649097. The reversal of 2049649067 is 7609469402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2049649067 is a prime.

It is a super-2 number, since 2×2049649067² = 8402122595707940978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2049649027) 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, 1024824533 + 1024824534.

It is an arithmetic number, because the mean of its divisors is an integer number (1024824534).

Almost surely, 2^2049649067 is an apocalyptic number.

2049649067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049649067 is an equidigital number, since it uses as much as digits as its factorization.

2049649067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 2049649067 is about 45273.0501181442. The cubic root of 2049649067 is about 1270.2616004806.

The spelling of 2049649067 in words is "two billion, forty-nine million, six hundred forty-nine thousand, sixty-seven".