561935459759 has 2 divisors, whose sum is σ = 561935459760. Its totient is φ = 561935459758.

The previous prime is 561935459699. The next prime is 561935459773. The reversal of 561935459759 is 957954539165.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561935459759 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561935450759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280967729879 + 280967729880.

It is an arithmetic number, because the mean of its divisors is an integer number (280967729880).

Almost surely, 2^561935459759 is an apocalyptic number.

561935459759 is a deficient number, since it is larger than the sum of its proper divisors (1).

561935459759 is an equidigital number, since it uses as much as digits as its factorization.

561935459759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 229635000, while the sum is 68.

The spelling of 561935459759 in words is "five hundred sixty-one billion, nine hundred thirty-five million, four hundred fifty-nine thousand, seven hundred fifty-nine".