693943893938 has 8 divisors (see below), whose sum is σ = 1042290897132. Its totient is φ = 346513594896.

The previous prime is 693943893803. The next prime is 693943893967. The reversal of 693943893938 is 839398349396.

It can be written as a sum of positive squares in 2 ways, for example, as 642102523969 + 51841369969 = 801313^2 + 227687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229174145 + ... + 229177172.

Almost surely, 2^693943893938 is an apocalyptic number.

693943893938 is a deficient number, since it is larger than the sum of its proper divisors (348347003194).

693943893938 is a wasteful number, since it uses less digits than its factorization.

693943893938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458352076.

The product of its digits is 816293376, while the sum is 74.

The spelling of 693943893938 in words is "six hundred ninety-three billion, nine hundred forty-three million, eight hundred ninety-three thousand, nine hundred thirty-eight".