693912863 has 6 divisors (see below), whose sum is σ = 807204816. Its totient is φ = 594782412.

The previous prime is 693912859. The next prime is 693912929. The reversal of 693912863 is 368219396.

693912863 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 693912863 - 2² = 693912859 is a prime.

It is a super-2 number, since 2×693912863² = 963030122873713538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693912833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7080695 + ... + 7080792.

It is an arithmetic number, because the mean of its divisors is an integer number (134534136).

Almost surely, 2^693912863 is an apocalyptic number.

693912863 is a deficient number, since it is larger than the sum of its proper divisors (113291953).

693912863 is a wasteful number, since it uses less digits than its factorization.

693912863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14161501 (or 14161494 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 693912863 is about 26342.2258550791. The cubic root of 693912863 is about 885.3227941421.

The spelling of 693912863 in words is "six hundred ninety-three million, nine hundred twelve thousand, eight hundred sixty-three".