1993826033 has 2 divisors, whose sum is σ = 1993826034. Its totient is φ = 1993826032.

The previous prime is 1993825997. The next prime is 1993826041. The reversal of 1993826033 is 3306283991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1992104689 + 1721344 = 44633^2 + 1312^2 .

It is an emirp because it is prime and its reverse (3306283991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1993826033 - 2²² = 1989631729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1993826633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996913016 + 996913017.

It is an arithmetic number, because the mean of its divisors is an integer number (996913017).

Almost surely, 2^1993826033 is an apocalyptic number.

It is an amenable number.

1993826033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1993826033 is an equidigital number, since it uses as much as digits as its factorization.

1993826033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 1993826033 is about 44652.2791467580. The cubic root of 1993826033 is about 1258.6232617297.

The spelling of 1993826033 in words is "one billion, nine hundred ninety-three million, eight hundred twenty-six thousand, thirty-three".