1693328242 has 8 divisors (see below), whose sum is σ = 2546803116. Its totient is φ = 844393872.

The previous prime is 1693328233. The next prime is 1693328257. The reversal of 1693328242 is 2428233961.

It can be written as a sum of positive squares in 2 ways, for example, as 1533583921 + 159744321 = 39161^2 + 12639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1693328195 and 1693328204.

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, 1134193 + ... + 1135684.

Almost surely, 2^1693328242 is an apocalyptic number.

1693328242 is a deficient number, since it is larger than the sum of its proper divisors (853474874).

1693328242 is a wasteful number, since it uses less digits than its factorization.

1693328242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270252.

The product of its digits is 124416, while the sum is 40.

The square root of 1693328242 is about 41150.0697690782. The cubic root of 1693328242 is about 1191.9198447858.

The spelling of 1693328242 in words is "one billion, six hundred ninety-three million, three hundred twenty-eight thousand, two hundred forty-two".