561353434588763 has 2 divisors, whose sum is σ = 561353434588764. Its totient is φ = 561353434588762.

The previous prime is 561353434588753. The next prime is 561353434588777. The reversal of 561353434588763 is 367885434353165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561353434588763 - 2²⁰ = 561353433540187 is a prime.

It is not a weakly prime, because it can be changed into another prime (561353434588753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280676717294381 + 280676717294382.

It is an arithmetic number, because the mean of its divisors is an integer number (280676717294382).

Almost surely, 2^{561353434588763} is an apocalyptic number.

561353434588763 is a deficient number, since it is larger than the sum of its proper divisors (1).

561353434588763 is an equidigital number, since it uses as much as digits as its factorization.

561353434588763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736000, while the sum is 71.

The spelling of 561353434588763 in words is "five hundred sixty-one trillion, three hundred fifty-three billion, four hundred thirty-four million, five hundred eighty-eight thousand, seven hundred sixty-three".