564299999 has 4 divisors (see below), whose sum is σ = 567164664. Its totient is φ = 561435336.

The previous prime is 564299947. The next prime is 564300007. The reversal of 564299999 is 999992465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564299999 is a prime.

It is a Duffinian number.

564299999 is a modest number, since divided by 99999 gives 5642 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564299909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1432037 + ... + 1432430.

It is an arithmetic number, because the mean of its divisors is an integer number (141791166).

Almost surely, 2^564299999 is an apocalyptic number.

564299999 is a deficient number, since it is larger than the sum of its proper divisors (2864665).

564299999 is a wasteful number, since it uses less digits than its factorization.

564299999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864664.

The product of its digits is 14171760, while the sum is 62.

The square root of 564299999 is about 23754.9994527468. Note that the first 3 decimals coincide. The cubic root of 564299999 is about 826.3613881199.

The spelling of 564299999 in words is "five hundred sixty-four million, two hundred ninety-nine thousand, nine hundred ninety-nine".