559864949 has 4 divisors (see below), whose sum is σ = 639845664. Its totient is φ = 479884236.

The previous prime is 559864933. The next prime is 559864973. The reversal of 559864949 is 949468955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 559864949 - 2⁴ = 559864933 is a prime.

It is a super-2 number, since 2×559864949² = 626897522237545202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (559866949) 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 3 ways as a sum of consecutive naturals, for example, 39990347 + ... + 39990360.

It is an arithmetic number, because the mean of its divisors is an integer number (159961416).

Almost surely, 2^559864949 is an apocalyptic number.

It is an amenable number.

559864949 is a deficient number, since it is larger than the sum of its proper divisors (79980715).

559864949 is an equidigital number, since it uses as much as digits as its factorization.

559864949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79980714.

The product of its digits is 13996800, while the sum is 59.

The square root of 559864949 is about 23661.4654871587. The cubic root of 559864949 is about 824.1907946701.

The spelling of 559864949 in words is "five hundred fifty-nine million, eight hundred sixty-four thousand, nine hundred forty-nine".