693505395 has 80 divisors (see below), whose sum is σ = 1436120928. Its totient is φ = 316431360.

The previous prime is 693505381. The next prime is 693505399. The reversal of 693505395 is 593505396.

It is a happy number.

693505395 is a `hidden beast` number, since 69 + 3 + 50 + 539 + 5 = 666.

693505395 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 693505395 - 2⁵ = 693505363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 693505395.

It is not an unprimeable number, because it can be changed into a prime (693505399) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 71157 + ... + 80313.

Almost surely, 2^693505395 is an apocalyptic number.

693505395 is an abundant number, since it is smaller than the sum of its proper divisors (742615533).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

693505395 is a wasteful number, since it uses less digits than its factorization.

693505395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9202 (or 9193 counting only the distinct ones).

The product of its (nonzero) digits is 546750, while the sum is 45.

The square root of 693505395 is about 26334.4905969339. The cubic root of 693505395 is about 885.1494720244.

Subtracting from 693505395 its reverse (593505396), we obtain a palindrome (99999999).

The spelling of 693505395 in words is "six hundred ninety-three million, five hundred five thousand, three hundred ninety-five".