563665474 has 16 divisors (see below), whose sum is σ = 879350400. Its totient is φ = 270741744.

The previous prime is 563665471. The next prime is 563665477. The reversal of 563665474 is 474566365.

It is an interprime number because it is at equal distance from previous prime (563665471) and next prime (563665477).

It is not an unprimeable number, because it can be changed into a prime (563665471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42364 + ... + 54055.

It is an arithmetic number, because the mean of its divisors is an integer number (54959400).

Almost surely, 2^563665474 is an apocalyptic number.

563665474 is a deficient number, since it is larger than the sum of its proper divisors (315684926).

563665474 is a wasteful number, since it uses less digits than its factorization.

563665474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96537.

The product of its digits is 1814400, while the sum is 46.

The square root of 563665474 is about 23741.6400865652. The cubic root of 563665474 is about 826.0515389753.

The spelling of 563665474 in words is "five hundred sixty-three million, six hundred sixty-five thousand, four hundred seventy-four".