42880304689 has 2 divisors, whose sum is σ = 42880304690. Its totient is φ = 42880304688.

The previous prime is 42880304659. The next prime is 42880304707. The reversal of 42880304689 is 98640308824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25482694689 + 17397610000 = 159633^2 + 131900^2 .

It is a cyclic number.

It is not a de Polignac number, because 42880304689 - 2⁵ = 42880304657 is a prime.

It is not a weakly prime, because it can be changed into another prime (42880304659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21440152344 + 21440152345.

It is an arithmetic number, because the mean of its divisors is an integer number (21440152345).

Almost surely, 2^42880304689 is an apocalyptic number.

It is an amenable number.

42880304689 is a deficient number, since it is larger than the sum of its proper divisors (1).

42880304689 is an equidigital number, since it uses as much as digits as its factorization.

42880304689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 42880304689 in words is "forty-two billion, eight hundred eighty million, three hundred four thousand, six hundred eighty-nine".