5656005919 has 2 divisors, whose sum is σ = 5656005920. Its totient is φ = 5656005918.

The previous prime is 5656005917. The next prime is 5656005941. The reversal of 5656005919 is 9195006565.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5656005919 - 2¹ = 5656005917 is a prime.

It is a super-2 number, since 2×5656005919² = 63980805911526069122, which contains 22 as substring.

Together with 5656005917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5656005911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828002959 + 2828002960.

It is an arithmetic number, because the mean of its divisors is an integer number (2828002960).

Almost surely, 2^5656005919 is an apocalyptic number.

5656005919 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656005919 is an equidigital number, since it uses as much as digits as its factorization.

5656005919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 364500, while the sum is 46.

The square root of 5656005919 is about 75206.4220595555. The cubic root of 5656005919 is about 1781.7083627075.

The spelling of 5656005919 in words is "five billion, six hundred fifty-six million, five thousand, nine hundred nineteen".