564881949 has 6 divisors (see below), whose sum is σ = 815940606. Its totient is φ = 376587960.

The previous prime is 564881917. The next prime is 564881959. The reversal of 564881949 is 949188465.

564881949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 416894724 + 147987225 = 20418^2 + 12165^2 .

It is not a de Polignac number, because 564881949 - 2⁵ = 564881917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 564881895 and 564881904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564881959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31382322 + ... + 31382339.

It is an arithmetic number, because the mean of its divisors is an integer number (135990101).

Almost surely, 2^564881949 is an apocalyptic number.

It is an amenable number.

564881949 is a deficient number, since it is larger than the sum of its proper divisors (251058657).

564881949 is a wasteful number, since it uses less digits than its factorization.

564881949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62764667 (or 62764664 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 564881949 is about 23767.2452968366. The cubic root of 564881949 is about 826.6453598791.

The spelling of 564881949 in words is "five hundred sixty-four million, eight hundred eighty-one thousand, nine hundred forty-nine".