556070069 has 2 divisors, whose sum is σ = 556070070. Its totient is φ = 556070068.

The previous prime is 556070027. The next prime is 556070071. The reversal of 556070069 is 960070655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555780625 + 289444 = 23575^2 + 538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556070069 is a prime.

It is a super-2 number, since 2×556070069² = 618427843275329522, which contains 22 as substring.

Together with 556070071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556070869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278035034 + 278035035.

It is an arithmetic number, because the mean of its divisors is an integer number (278035035).

Almost surely, 2^556070069 is an apocalyptic number.

It is an amenable number.

556070069 is a deficient number, since it is larger than the sum of its proper divisors (1).

556070069 is an equidigital number, since it uses as much as digits as its factorization.

556070069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 556070069 is about 23581.1379920478. The cubic root of 556070069 is about 822.3243929937.

The spelling of 556070069 in words is "five hundred fifty-six million, seventy thousand, sixty-nine".