556506600049 has 2 divisors, whose sum is σ = 556506600050. Its totient is φ = 556506600048.

The previous prime is 556506600047. The next prime is 556506600071. The reversal of 556506600049 is 940006605655.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 502478246449 + 54028353600 = 708857^2 + 232440^2 .

It is a cyclic number.

It is not a de Polignac number, because 556506600049 - 2¹ = 556506600047 is a prime.

Together with 556506600047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 556506599981 and 556506600008.

It is not a weakly prime, because it can be changed into another prime (556506600043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278253300024 + 278253300025.

It is an arithmetic number, because the mean of its divisors is an integer number (278253300025).

Almost surely, 2^556506600049 is an apocalyptic number.

It is an amenable number.

556506600049 is a deficient number, since it is larger than the sum of its proper divisors (1).

556506600049 is an equidigital number, since it uses as much as digits as its factorization.

556506600049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 556506600049 in words is "five hundred fifty-six billion, five hundred six million, six hundred thousand, forty-nine".