694325663 has 4 divisors (see below), whose sum is σ = 694558368. Its totient is φ = 694092960.

The previous prime is 694325657. The next prime is 694325669. The reversal of 694325663 is 366523496.

694325663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (694325657) and next prime (694325669).

It is a cyclic number.

It is not a de Polignac number, because 694325663 - 2⁴ = 694325647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694325669) 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, 111818 + ... + 117863.

It is an arithmetic number, because the mean of its divisors is an integer number (173639592).

Almost surely, 2^694325663 is an apocalyptic number.

694325663 is a deficient number, since it is larger than the sum of its proper divisors (232705).

694325663 is a wasteful number, since it uses less digits than its factorization.

694325663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232704.

The product of its digits is 699840, while the sum is 44.

The square root of 694325663 is about 26350.0600189070. The cubic root of 694325663 is about 885.4983151253.

The spelling of 694325663 in words is "six hundred ninety-four million, three hundred twenty-five thousand, six hundred sixty-three".