693442863 has 20 divisors (see below), whose sum is σ = 1063885240. Its totient is φ = 449798832.

The previous prime is 693442861. The next prime is 693442879. The reversal of 693442863 is 368244396.

693442863 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 693442863 - 2¹ = 693442861 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 (693442861) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112693 + ... + 118686.

It is an arithmetic number, because the mean of its divisors is an integer number (53194262).

Almost surely, 2^693442863 is an apocalyptic number.

693442863 is a deficient number, since it is larger than the sum of its proper divisors (370442377).

693442863 is a wasteful number, since it uses less digits than its factorization.

693442863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231428 (or 231419 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 693442863 is about 26333.3033058901. The cubic root of 693442863 is about 885.1228671699.

It can be divided in two parts, 693 and 442863, that added together give a square (443556 = 666²).

The spelling of 693442863 in words is "six hundred ninety-three million, four hundred forty-two thousand, eight hundred sixty-three".