564386494 has 16 divisors (see below), whose sum is σ = 967849056. Its totient is φ = 241797600.

The previous prime is 564386491. The next prime is 564386513. The reversal of 564386494 is 494683465.

It is a super-2 number, since 2×564386494² = 637064229219224072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564386491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54924 + ... + 64384.

It is an arithmetic number, because the mean of its divisors is an integer number (60490566).

Almost surely, 2^564386494 is an apocalyptic number.

564386494 is a deficient number, since it is larger than the sum of its proper divisors (403462562).

564386494 is a wasteful number, since it uses less digits than its factorization.

564386494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13731.

The product of its digits is 2488320, while the sum is 49.

The square root of 564386494 is about 23756.8199471226. The cubic root of 564386494 is about 826.4036070795.

The spelling of 564386494 in words is "five hundred sixty-four million, three hundred eighty-six thousand, four hundred ninety-four".