556106743 has 2 divisors, whose sum is σ = 556106744. Its totient is φ = 556106742.

The previous prime is 556106741. The next prime is 556106779. The reversal of 556106743 is 347601655.

556106743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556106743 - 2¹ = 556106741 is a prime.

It is a super-2 number, since 2×556106743² = 618509419220136098, which contains 22 as substring.

Together with 556106741, 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 (556106741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278053371 + 278053372.

It is an arithmetic number, because the mean of its divisors is an integer number (278053372).

Almost surely, 2^556106743 is an apocalyptic number.

556106743 is a deficient number, since it is larger than the sum of its proper divisors (1).

556106743 is an equidigital number, since it uses as much as digits as its factorization.

556106743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 556106743 is about 23581.9155922499. The cubic root of 556106743 is about 822.3424706087.

The spelling of 556106743 in words is "five hundred fifty-six million, one hundred six thousand, seven hundred forty-three".