33373734073661 has 2 divisors, whose sum is σ = 33373734073662. Its totient is φ = 33373734073660.

The previous prime is 33373734073651. The next prime is 33373734073703. The reversal of 33373734073661 is 16637043737333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32125441820761 + 1248292252900 = 5667931^2 + 1117270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33373734073661 is a prime.

It is a super-2 number, since 2×33373734073661² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33373734073597 and 33373734073606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33373734073601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16686867036830 + 16686867036831.

It is an arithmetic number, because the mean of its divisors is an integer number (16686867036831).

Almost surely, 2^{33373734073661} is an apocalyptic number.

It is an amenable number.

33373734073661 is a deficient number, since it is larger than the sum of its proper divisors (1).

33373734073661 is an equidigital number, since it uses as much as digits as its factorization.

33373734073661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36006768, while the sum is 56.

The spelling of 33373734073661 in words is "thirty-three trillion, three hundred seventy-three billion, seven hundred thirty-four million, seventy-three thousand, six hundred sixty-one".