556345563383 has 2 divisors, whose sum is σ = 556345563384. Its totient is φ = 556345563382.

The previous prime is 556345563343. The next prime is 556345563407. The reversal of 556345563383 is 383365543655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556345563383 - 2²⁶ = 556278454519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556345563343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278172781691 + 278172781692.

It is an arithmetic number, because the mean of its divisors is an integer number (278172781692).

Almost surely, 2^556345563383 is an apocalyptic number.

556345563383 is a deficient number, since it is larger than the sum of its proper divisors (1).

556345563383 is an equidigital number, since it uses as much as digits as its factorization.

556345563383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320000, while the sum is 56.

The spelling of 556345563383 in words is "five hundred fifty-six billion, three hundred forty-five million, five hundred sixty-three thousand, three hundred eighty-three".