693943893803 has 2 divisors, whose sum is σ = 693943893804. Its totient is φ = 693943893802.

The previous prime is 693943893793. The next prime is 693943893967. The reversal of 693943893803 is 308398349396.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 693943893803 - 2⁴ = 693943893787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 693943893803.

It is not a weakly prime, because it can be changed into another prime (693943293803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346971946901 + 346971946902.

It is an arithmetic number, because the mean of its divisors is an integer number (346971946902).

Almost surely, 2^693943893803 is an apocalyptic number.

693943893803 is a deficient number, since it is larger than the sum of its proper divisors (1).

693943893803 is an equidigital number, since it uses as much as digits as its factorization.

693943893803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90699264, while the sum is 65.

The spelling of 693943893803 in words is "six hundred ninety-three billion, nine hundred forty-three million, eight hundred ninety-three thousand, eight hundred three".