564768949 has 2 divisors, whose sum is σ = 564768950. Its totient is φ = 564768948.

The previous prime is 564768913. The next prime is 564768959. The reversal of 564768949 is 949867465.

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., 484308049 + 80460900 = 22007^2 + 8970^2 .

It is a cyclic number.

It is not a de Polignac number, because 564768949 - 2²⁷ = 430551221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 564768893 and 564768902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564768959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282384474 + 282384475.

It is an arithmetic number, because the mean of its divisors is an integer number (282384475).

Almost surely, 2^564768949 is an apocalyptic number.

It is an amenable number.

564768949 is a deficient number, since it is larger than the sum of its proper divisors (1).

564768949 is an equidigital number, since it uses as much as digits as its factorization.

564768949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 58.

The square root of 564768949 is about 23764.8679567129. The cubic root of 564768949 is about 826.5902349955.

The spelling of 564768949 in words is "five hundred sixty-four million, seven hundred sixty-eight thousand, nine hundred forty-nine".