5649019 has 2 divisors, whose sum is σ = 5649020. Its totient is φ = 5649018.

The previous prime is 5649011. The next prime is 5649047. The reversal of 5649019 is 9109465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5649019 - 2³ = 5649011 is a prime.

It is a super-2 number, since 2×5649019² = 63822831324722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5649011) 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, 2824509 + 2824510.

It is an arithmetic number, because the mean of its divisors is an integer number (2824510).

Almost surely, 2^5649019 is an apocalyptic number.

5649019 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649019 is an equidigital number, since it uses as much as digits as its factorization.

5649019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 5649019 is about 2376.7665009420. The cubic root of 5649019 is about 178.0974406526.

The spelling of 5649019 in words is "five million, six hundred forty-nine thousand, nineteen".