564740449 has 16 divisors (see below), whose sum is σ = 696003840. Its totient is φ = 446224320.

The previous prime is 564740447. The next prime is 564740467. The reversal of 564740449 is 944047465.

It is a cyclic number.

It is not a de Polignac number, because 564740449 - 2¹ = 564740447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564740447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70932 + ... + 78490.

It is an arithmetic number, because the mean of its divisors is an integer number (43500240).

Almost surely, 2^564740449 is an apocalyptic number.

It is an amenable number.

564740449 is a deficient number, since it is larger than the sum of its proper divisors (131263391).

564740449 is a wasteful number, since it uses less digits than its factorization.

564740449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 564740449 is about 23764.2683245245. The cubic root of 564740449 is about 826.5763306558.

The spelling of 564740449 in words is "five hundred sixty-four million, seven hundred forty thousand, four hundred forty-nine".