3694642219 has 2 divisors, whose sum is σ = 3694642220. Its totient is φ = 3694642218.

The previous prime is 3694642177. The next prime is 3694642229. The reversal of 3694642219 is 9122464963.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3694642219 is a prime.

It is a super-2 number, since 2×3694642219² = 27300762252834487922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3694642229) 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, 1847321109 + 1847321110.

It is an arithmetic number, because the mean of its divisors is an integer number (1847321110).

Almost surely, 2^3694642219 is an apocalyptic number.

3694642219 is a deficient number, since it is larger than the sum of its proper divisors (1).

3694642219 is an equidigital number, since it uses as much as digits as its factorization.

3694642219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The square root of 3694642219 is about 60783.5686596304. The cubic root of 3694642219 is about 1545.9334568508.

The spelling of 3694642219 in words is "three billion, six hundred ninety-four million, six hundred forty-two thousand, two hundred nineteen".