561682800043 has 2 divisors, whose sum is σ = 561682800044. Its totient is φ = 561682800042.

The previous prime is 561682799983. The next prime is 561682800079. The reversal of 561682800043 is 340008286165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561682800043 - 2¹³ = 561682791851 is a prime.

It is not a weakly prime, because it can be changed into another prime (561682800443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280841400021 + 280841400022.

It is an arithmetic number, because the mean of its divisors is an integer number (280841400022).

Almost surely, 2^561682800043 is an apocalyptic number.

561682800043 is a deficient number, since it is larger than the sum of its proper divisors (1).

561682800043 is an equidigital number, since it uses as much as digits as its factorization.

561682800043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 561682800043 in words is "five hundred sixty-one billion, six hundred eighty-two million, eight hundred thousand, forty-three".