561573131442683 has 2 divisors, whose sum is σ = 561573131442684. Its totient is φ = 561573131442682.

The previous prime is 561573131442497. The next prime is 561573131442721. The reversal of 561573131442683 is 386244131375165.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561573131442683 - 2¹⁴ = 561573131426299 is a prime.

It is not a weakly prime, because it can be changed into another prime (561573131432683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280786565721341 + 280786565721342.

It is an arithmetic number, because the mean of its divisors is an integer number (280786565721342).

Almost surely, 2^{561573131442683} is an apocalyptic number.

561573131442683 is a deficient number, since it is larger than the sum of its proper divisors (1).

561573131442683 is an equidigital number, since it uses as much as digits as its factorization.

561573131442683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43545600, while the sum is 59.

The spelling of 561573131442683 in words is "five hundred sixty-one trillion, five hundred seventy-three billion, one hundred thirty-one million, four hundred forty-two thousand, six hundred eighty-three".