683196505 has 4 divisors (see below), whose sum is σ = 819835812. Its totient is φ = 546557200.

The previous prime is 683196497. The next prime is 683196517. The reversal of 683196505 is 505691386.

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 472975504 + 210221001 = 21748^2 + 14499^2 .

It is not a de Polignac number, because 683196505 - 2³ = 683196497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68319646 + ... + 68319655.

It is an arithmetic number, because the mean of its divisors is an integer number (204958953).

Almost surely, 2^683196505 is an apocalyptic number.

It is an amenable number.

683196505 is a deficient number, since it is larger than the sum of its proper divisors (136639307).

683196505 is a wasteful number, since it uses less digits than its factorization.

683196505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136639306.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 683196505 is about 26138.0279478005. The cubic root of 683196505 is about 880.7416719989.

The spelling of 683196505 in words is "six hundred eighty-three million, one hundred ninety-six thousand, five hundred five".