693943893937 has 16 divisors (see below), whose sum is σ = 793950676992. Its totient is φ = 594155473920.

The previous prime is 693943893803. The next prime is 693943893967. The reversal of 693943893937 is 739398349396.

It is a cyclic number.

It is not a de Polignac number, because 693943893937 - 2¹⁹ = 693943369649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 693943893937.

It is not an unprimeable number, because it can be changed into a prime (693943893967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25062733 + ... + 25090405.

It is an arithmetic number, because the mean of its divisors is an integer number (49621917312).

Almost surely, 2^693943893937 is an apocalyptic number.

It is an amenable number.

693943893937 is a deficient number, since it is larger than the sum of its proper divisors (100006783055).

693943893937 is a wasteful number, since it uses less digits than its factorization.

693943893937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31488.

The product of its digits is 714256704, while the sum is 73.

The spelling of 693943893937 in words is "six hundred ninety-three billion, nine hundred forty-three million, eight hundred ninety-three thousand, nine hundred thirty-seven".