694946563 has 4 divisors (see below), whose sum is σ = 695003848. Its totient is φ = 694889280.

The previous prime is 694946531. The next prime is 694946573. The reversal of 694946563 is 365649496.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 694946563 - 2⁵ = 694946531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 694946563.

It is not an unprimeable number, because it can be changed into a prime (694946573) 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, 2478 + ... + 37363.

It is an arithmetic number, because the mean of its divisors is an integer number (173750962).

Almost surely, 2^694946563 is an apocalyptic number.

694946563 is a deficient number, since it is larger than the sum of its proper divisors (57285).

694946563 is a wasteful number, since it uses less digits than its factorization.

694946563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57284.

The product of its digits is 4199040, while the sum is 52.

The square root of 694946563 is about 26361.8391429733. The cubic root of 694946563 is about 885.7621884664.

The spelling of 694946563 in words is "six hundred ninety-four million, nine hundred forty-six thousand, five hundred sixty-three".