694441863 has 32 divisors (see below), whose sum is σ = 1059257600. Its totient is φ = 449320608.

The previous prime is 694441861. The next prime is 694441883. The reversal of 694441863 is 368144496.

694441863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 694441863 - 2¹ = 694441861 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 (694441861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617820 + ... + 618942.

It is an arithmetic number, because the mean of its divisors is an integer number (33101800).

Almost surely, 2^694441863 is an apocalyptic number.

694441863 is a deficient number, since it is larger than the sum of its proper divisors (364815737).

694441863 is a wasteful number, since it uses less digits than its factorization.

694441863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1782 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 694441863 is about 26352.2648552264. The cubic root of 694441863 is about 885.5477103732.

The spelling of 694441863 in words is "six hundred ninety-four million, four hundred forty-one thousand, eight hundred sixty-three".