693559390697 has 4 divisors (see below), whose sum is σ = 704929216836. Its totient is φ = 682189564560.

The previous prime is 693559390673. The next prime is 693559390703. The reversal of 693559390697 is 796093955396.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 171113768281 + 522445622416 = 413659^2 + 722804^2 .

It is a cyclic number.

It is not a de Polignac number, because 693559390697 - 2¹⁶ = 693559325161 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 693559390697.

It is not an unprimeable number, because it can be changed into a prime (693559392697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5684912978 + ... + 5684913099.

It is an arithmetic number, because the mean of its divisors is an integer number (176232304209).

Almost surely, 2^693559390697 is an apocalyptic number.

It is an amenable number.

693559390697 is a deficient number, since it is larger than the sum of its proper divisors (11369826139).

693559390697 is a wasteful number, since it uses less digits than its factorization.

693559390697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369826138.

The product of its (nonzero) digits is 372008700, while the sum is 71.

The spelling of 693559390697 in words is "six hundred ninety-three billion, five hundred fifty-nine million, three hundred ninety thousand, six hundred ninety-seven".