693825469881489 has 27 divisors (see below), whose sum is σ = 1101584701873929. Its totient is φ = 420499757965320.

The previous prime is 693825469881463. The next prime is 693825469881541. The reversal of 693825469881489 is 984188964528396.

The square root of 693825469881489 is 26340567.

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

693825469881489 is a `hidden beast` number, since 6 + 9 + 3 + 8 + 2 + 5 + 46 + 9 + 8 + 81 + 489 = 666.

693825469881489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 693825469881489 - 2²³ = 693825461492881 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 693825469881399 and 693825469881408.

It is not an unprimeable number, because it can be changed into a prime (693825469881589) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 868839612 + ... + 869637810.

Almost surely, 2^{693825469881489} is an apocalyptic number.

693825469881489 is the 26340567-th square number.

693825469881489 is the 13170284-th centered octagonal number.

It is an amenable number.

693825469881489 is a deficient number, since it is larger than the sum of its proper divisors (407759231992440).

693825469881489 is an frugal number, since it uses more digits than its factorization.

693825469881489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596426 (or 798213 counting only the distinct ones).

The product of its digits is 51597803520, while the sum is 90.

The spelling of 693825469881489 in words is "six hundred ninety-three trillion, eight hundred twenty-five billion, four hundred sixty-nine million, eight hundred eighty-one thousand, four hundred eighty-nine".