566769901 has 2 divisors, whose sum is σ = 566769902. Its totient is φ = 566769900.

The previous prime is 566769839. The next prime is 566769913. The reversal of 566769901 is 109967665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 511935876 + 54834025 = 22626^2 + 7405^2 .

It is a cyclic number.

It is not a de Polignac number, because 566769901 - 2¹⁷ = 566638829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566769941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283384950 + 283384951.

It is an arithmetic number, because the mean of its divisors is an integer number (283384951).

Almost surely, 2^566769901 is an apocalyptic number.

It is an amenable number.

566769901 is a deficient number, since it is larger than the sum of its proper divisors (1).

566769901 is an equidigital number, since it uses as much as digits as its factorization.

566769901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 566769901 is about 23806.9296844427. The cubic root of 566769901 is about 827.5652755619.

The spelling of 566769901 in words is "five hundred sixty-six million, seven hundred sixty-nine thousand, nine hundred one".