563444690 has 16 divisors (see below), whose sum is σ = 1031391360. Its totient is φ = 221557680.

The previous prime is 563444689. The next prime is 563444723. The reversal of 563444690 is 96444365.

It is a super-2 number, since 2×563444690² = 634939837378392200, which contains 22 as substring.

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, 476906 + ... + 478085.

It is an arithmetic number, because the mean of its divisors is an integer number (64461960).

Almost surely, 2^563444690 is an apocalyptic number.

563444690 is a deficient number, since it is larger than the sum of its proper divisors (467946670).

563444690 is a wasteful number, since it uses less digits than its factorization.

563444690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955057.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 563444690 is about 23736.9899102645. The cubic root of 563444690 is about 825.9436719343.

The spelling of 563444690 in words is "five hundred sixty-three million, four hundred forty-four thousand, six hundred ninety".