1693782133 has 2 divisors, whose sum is σ = 1693782134. Its totient is φ = 1693782132.

The previous prime is 1693782071. The next prime is 1693782257. The reversal of 1693782133 is 3312873961.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1422949284 + 270832849 = 37722^2 + 16457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1693782133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1693782133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1693782833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 846891066 + 846891067.

It is an arithmetic number, because the mean of its divisors is an integer number (846891067).

Almost surely, 2^1693782133 is an apocalyptic number.

It is an amenable number.

1693782133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1693782133 is an equidigital number, since it uses as much as digits as its factorization.

1693782133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 1693782133 is about 41155.5844691823. The cubic root of 1693782133 is about 1192.0263319878.

The spelling of 1693782133 in words is "one billion, six hundred ninety-three million, seven hundred eighty-two thousand, one hundred thirty-three".