580069781 has 2 divisors, whose sum is σ = 580069782. Its totient is φ = 580069780.

The previous prime is 580069747. The next prime is 580069783. The reversal of 580069781 is 187960085.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539632900 + 40436881 = 23230^2 + 6359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-580069781 is a prime.

It is a super-2 number, since 2×580069781² = 672961901658775922, which contains 22 as substring.

Together with 580069783, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (580069783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290034890 + 290034891.

It is an arithmetic number, because the mean of its divisors is an integer number (290034891).

Almost surely, 2^580069781 is an apocalyptic number.

It is an amenable number.

580069781 is a deficient number, since it is larger than the sum of its proper divisors (1).

580069781 is an equidigital number, since it uses as much as digits as its factorization.

580069781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 580069781 is about 24084.6378631691. The cubic root of 580069781 is about 833.9885351532.

The spelling of 580069781 in words is "five hundred eighty million, sixty-nine thousand, seven hundred eighty-one".