561664002332383 has 2 divisors, whose sum is σ = 561664002332384. Its totient is φ = 561664002332382.

The previous prime is 561664002332311. The next prime is 561664002332399. The reversal of 561664002332383 is 383233200466165.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561664002332383 is a prime.

It is a super-2 number, since 2×561664002332383² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 561664002332383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561664002330383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280832001166191 + 280832001166192.

It is an arithmetic number, because the mean of its divisors is an integer number (280832001166192).

Almost surely, 2^{561664002332383} is an apocalyptic number.

561664002332383 is a deficient number, since it is larger than the sum of its proper divisors (1).

561664002332383 is an equidigital number, since it uses as much as digits as its factorization.

561664002332383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 52.

The spelling of 561664002332383 in words is "five hundred sixty-one trillion, six hundred sixty-four billion, two million, three hundred thirty-two thousand, three hundred eighty-three".