563383649 has 4 divisors (see below), whose sum is σ = 593035440. Its totient is φ = 533731860.

The previous prime is 563383603. The next prime is 563383697. The reversal of 563383649 is 946383365.

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, and also an emirpimes, since its reverse is a distinct semiprime: 946383365 = 5 ⋅189276673.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563383649 is a prime.

It is a super-2 number, since 2×563383649² = 634802271921110402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563388649) 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, 14825867 + ... + 14825904.

It is an arithmetic number, because the mean of its divisors is an integer number (148258860).

Almost surely, 2^563383649 is an apocalyptic number.

It is an amenable number.

563383649 is a deficient number, since it is larger than the sum of its proper divisors (29651791).

563383649 is a wasteful number, since it uses less digits than its factorization.

563383649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29651790.

The product of its digits is 1399680, while the sum is 47.

The square root of 563383649 is about 23735.7040974141. The cubic root of 563383649 is about 825.9138445473.

The spelling of 563383649 in words is "five hundred sixty-three million, three hundred eighty-three thousand, six hundred forty-nine".