693244663388 has 24 divisors (see below), whose sum is σ = 1241531668608. Its totient is φ = 338523148656.

The previous prime is 693244663367. The next prime is 693244663403. The reversal of 693244663388 is 883366442396.

It is a self number, because there is not a number n which added to its sum of digits gives 693244663388.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332545 + ... + 1778247.

It is an arithmetic number, because the mean of its divisors is an integer number (51730486192).

Almost surely, 2^693244663388 is an apocalyptic number.

It is an amenable number.

693244663388 is a deficient number, since it is larger than the sum of its proper divisors (548287005220).

693244663388 is a wasteful number, since it uses less digits than its factorization.

693244663388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454793 (or 454791 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 62.

The spelling of 693244663388 in words is "six hundred ninety-three billion, two hundred forty-four million, six hundred sixty-three thousand, three hundred eighty-eight".