693367639969 has 3 divisors (see below), whose sum is σ = 693368472657. Its totient is φ = 693366807282.

The previous prime is 693367639931. The next prime is 693367639999. The reversal of 693367639969 is 969936763396.

The square root of 693367639969 is 832687.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 693367639969 - 2³³ = 684777705377 is a prime.

It is a super-2 number, since 2×693367639969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 693367639895 and 693367639904.

It is not an unprimeable number, because it can be changed into a prime (693367639999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 416344 + ... + 1249030.

It is an arithmetic number, because the mean of its divisors is an integer number (231122824219).

Almost surely, 2^693367639969 is an apocalyptic number.

693367639969 is the 832687-th square number.

693367639969 is the 416344-th centered octagonal number.

It is an amenable number.

693367639969 is a deficient number, since it is larger than the sum of its proper divisors (832688).

693367639969 is an frugal number, since it uses more digits than its factorization.

693367639969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665374 (or 832687 counting only the distinct ones).

The product of its digits is 1607077584, while the sum is 76.

The spelling of 693367639969 in words is "six hundred ninety-three billion, three hundred sixty-seven million, six hundred thirty-nine thousand, nine hundred sixty-nine".