556101673 has 2 divisors, whose sum is σ = 556101674. Its totient is φ = 556101672.

The previous prime is 556101643. The next prime is 556101691. The reversal of 556101673 is 376101655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522031104 + 34070569 = 22848^2 + 5837^2 .

It is a cyclic number.

It is not a de Polignac number, because 556101673 - 2⁵ = 556101641 is a prime.

It is not a weakly prime, because it can be changed into another prime (556101643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278050836 + 278050837.

It is an arithmetic number, because the mean of its divisors is an integer number (278050837).

Almost surely, 2^556101673 is an apocalyptic number.

It is an amenable number.

556101673 is a deficient number, since it is larger than the sum of its proper divisors (1).

556101673 is an equidigital number, since it uses as much as digits as its factorization.

556101673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 556101673 is about 23581.8080943765. The cubic root of 556101673 is about 822.3399715147.

The spelling of 556101673 in words is "five hundred fifty-six million, one hundred one thousand, six hundred seventy-three".