568440947 has 2 divisors, whose sum is σ = 568440948. Its totient is φ = 568440946.

The previous prime is 568440941. The next prime is 568440949. The reversal of 568440947 is 749044865.

568440947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 568440947 - 2¹⁰ = 568439923 is a prime.

It is a super-2 number, since 2×568440947² = 646250220452513618, which contains 22 as substring.

Together with 568440949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (568440941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284220473 + 284220474.

It is an arithmetic number, because the mean of its divisors is an integer number (284220474).

Almost surely, 2^568440947 is an apocalyptic number.

568440947 is a deficient number, since it is larger than the sum of its proper divisors (1).

568440947 is an equidigital number, since it uses as much as digits as its factorization.

568440947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 568440947 is about 23841.9996434863. Note that the first 3 decimals coincide. The cubic root of 568440947 is about 828.3777997533.

The spelling of 568440947 in words is "five hundred sixty-eight million, four hundred forty thousand, nine hundred forty-seven".