561613652063 has 2 divisors, whose sum is σ = 561613652064. Its totient is φ = 561613652062.

The previous prime is 561613652023. The next prime is 561613652071. The reversal of 561613652063 is 360256316165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561613652063 - 2²⁴ = 561596874847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561613652003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280806826031 + 280806826032.

It is an arithmetic number, because the mean of its divisors is an integer number (280806826032).

Almost surely, 2^561613652063 is an apocalyptic number.

561613652063 is a deficient number, since it is larger than the sum of its proper divisors (1).

561613652063 is an equidigital number, since it uses as much as digits as its factorization.

561613652063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 561613652063 in words is "five hundred sixty-one billion, six hundred thirteen million, six hundred fifty-two thousand, sixty-three".