561692812727 has 2 divisors, whose sum is σ = 561692812728. Its totient is φ = 561692812726.

The previous prime is 561692812687. The next prime is 561692812763. The reversal of 561692812727 is 727218296165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561692812727 - 2¹⁶ = 561692747191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561692812777) 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, 280846406363 + 280846406364.

It is an arithmetic number, because the mean of its divisors is an integer number (280846406364).

Almost surely, 2^561692812727 is an apocalyptic number.

561692812727 is a deficient number, since it is larger than the sum of its proper divisors (1).

561692812727 is an equidigital number, since it uses as much as digits as its factorization.

561692812727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 56.

The spelling of 561692812727 in words is "five hundred sixty-one billion, six hundred ninety-two million, eight hundred twelve thousand, seven hundred twenty-seven".