561206489383 has 2 divisors, whose sum is σ = 561206489384. Its totient is φ = 561206489382.

The previous prime is 561206489279. The next prime is 561206489413. The reversal of 561206489383 is 383984602165.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561206489383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561206489083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280603244691 + 280603244692.

It is an arithmetic number, because the mean of its divisors is an integer number (280603244692).

Almost surely, 2^561206489383 is an apocalyptic number.

561206489383 is a deficient number, since it is larger than the sum of its proper divisors (1).

561206489383 is an equidigital number, since it uses as much as digits as its factorization.

561206489383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 561206489383 in words is "five hundred sixty-one billion, two hundred six million, four hundred eighty-nine thousand, three hundred eighty-three".