563617642 has 16 divisors (see below), whose sum is σ = 977844672. Its totient is φ = 238639680.

The previous prime is 563617631. The next prime is 563617661. The reversal of 563617642 is 246716365.

It is a junction number, because it is equal to n+sod(n) for n = 563617595 and 563617604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241359 + ... + 243682.

It is an arithmetic number, because the mean of its divisors is an integer number (61115292).

Almost surely, 2^563617642 is an apocalyptic number.

563617642 is a deficient number, since it is larger than the sum of its proper divisors (414227030).

563617642 is a wasteful number, since it uses less digits than its factorization.

563617642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485133.

The product of its digits is 181440, while the sum is 40.

The square root of 563617642 is about 23740.6327211387. The cubic root of 563617642 is about 826.0281723883.

The spelling of 563617642 in words is "five hundred sixty-three million, six hundred seventeen thousand, six hundred forty-two".