573680749 has 2 divisors, whose sum is σ = 573680750. Its totient is φ = 573680748.

The previous prime is 573680747. The next prime is 573680801. The reversal of 573680749 is 947086375.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 510986025 + 62694724 = 22605^2 + 7918^2 .

It is a cyclic number.

It is not a de Polignac number, because 573680749 - 2¹ = 573680747 is a prime.

Together with 573680747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (573680741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286840374 + 286840375.

It is an arithmetic number, because the mean of its divisors is an integer number (286840375).

Almost surely, 2^573680749 is an apocalyptic number.

It is an amenable number.

573680749 is a deficient number, since it is larger than the sum of its proper divisors (1).

573680749 is an equidigital number, since it uses as much as digits as its factorization.

573680749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 573680749 is about 23951.6335351057. The cubic root of 573680749 is about 830.9153056322.

The spelling of 573680749 in words is "five hundred seventy-three million, six hundred eighty thousand, seven hundred forty-nine".