693393755 has 4 divisors (see below), whose sum is σ = 832072512. Its totient is φ = 554715000.

The previous prime is 693393751. The next prime is 693393769. The reversal of 693393755 is 557393396.

693393755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 693393755 - 2² = 693393751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (693393751) 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, 69339371 + ... + 69339380.

It is an arithmetic number, because the mean of its divisors is an integer number (208018128).

Almost surely, 2^693393755 is an apocalyptic number.

693393755 is a deficient number, since it is larger than the sum of its proper divisors (138678757).

693393755 is a wasteful number, since it uses less digits than its factorization.

693393755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138678756.

The product of its digits is 2296350, while the sum is 50.

The square root of 693393755 is about 26332.3708579383. The cubic root of 693393755 is about 885.1019725669.

The spelling of 693393755 in words is "six hundred ninety-three million, three hundred ninety-three thousand, seven hundred fifty-five".