563719913 has 4 divisors (see below), whose sum is σ = 564172500. Its totient is φ = 563267328.

The previous prime is 563719909. The next prime is 563719963. The reversal of 563719913 is 319917365.

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

It can be written as a sum of positive squares in 2 ways, for example, as 275161744 + 288558169 = 16588^2 + 16987^2 .

It is a cyclic number.

It is not a de Polignac number, because 563719913 - 2² = 563719909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563719963) 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, 224420 + ... + 226917.

It is an arithmetic number, because the mean of its divisors is an integer number (141043125).

Almost surely, 2^563719913 is an apocalyptic number.

It is an amenable number.

563719913 is a deficient number, since it is larger than the sum of its proper divisors (452587).

563719913 is a wasteful number, since it uses less digits than its factorization.

563719913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452586.

The product of its digits is 153090, while the sum is 44.

The square root of 563719913 is about 23742.7865466545. The cubic root of 563719913 is about 826.0781315638.

The spelling of 563719913 in words is "five hundred sixty-three million, seven hundred nineteen thousand, nine hundred thirteen".