5649739219 has 2 divisors, whose sum is σ = 5649739220. Its totient is φ = 5649739218.

The previous prime is 5649739189. The next prime is 5649739253. The reversal of 5649739219 is 9129379465.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5649739219 - 2⁵ = 5649739187 is a prime.

It is a super-2 number, since 2×5649739219² = 63839106485413459922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5649739219.

It is not a weakly prime, because it can be changed into another prime (5649739259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824869609 + 2824869610.

It is an arithmetic number, because the mean of its divisors is an integer number (2824869610).

Almost surely, 2^5649739219 is an apocalyptic number.

5649739219 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649739219 is an equidigital number, since it uses as much as digits as its factorization.

5649739219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 55.

The square root of 5649739219 is about 75164.7471824392. The cubic root of 5649739219 is about 1781.0500914727.

The spelling of 5649739219 in words is "five billion, six hundred forty-nine million, seven hundred thirty-nine thousand, two hundred nineteen".