5656271219 has 2 divisors, whose sum is σ = 5656271220. Its totient is φ = 5656271218.

The previous prime is 5656271209. The next prime is 5656271221. The reversal of 5656271219 is 9121726565.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5656271219 - 2¹⁶ = 5656205683 is a prime.

It is a super-2 number, since 2×5656271219² = 63986808205775491922, which contains 22 as substring.

Together with 5656271221, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5656271219.

It is not a weakly prime, because it can be changed into another prime (5656271209) 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, 2828135609 + 2828135610.

It is an arithmetic number, because the mean of its divisors is an integer number (2828135610).

Almost surely, 2^5656271219 is an apocalyptic number.

5656271219 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656271219 is an equidigital number, since it uses as much as digits as its factorization.

5656271219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 5656271219 is about 75208.1858510096. The cubic root of 5656271219 is about 1781.7362198117.

The spelling of 5656271219 in words is "five billion, six hundred fifty-six million, two hundred seventy-one thousand, two hundred nineteen".