33530431349 has 2 divisors, whose sum is σ = 33530431350. Its totient is φ = 33530431348.

The previous prime is 33530431289. The next prime is 33530431357. The reversal of 33530431349 is 94313403533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24003304900 + 9527126449 = 154930^2 + 97607^2 .

It is an emirp because it is prime and its reverse (94313403533) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33530431349 - 2⁸ = 33530431093 is a prime.

It is a super-2 number, since 2×33530431349² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33530451349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16765215674 + 16765215675.

It is an arithmetic number, because the mean of its divisors is an integer number (16765215675).

Almost surely, 2^33530431349 is an apocalyptic number.

It is an amenable number.

33530431349 is a deficient number, since it is larger than the sum of its proper divisors (1).

33530431349 is an equidigital number, since it uses as much as digits as its factorization.

33530431349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 38.

The spelling of 33530431349 in words is "thirty-three billion, five hundred thirty million, four hundred thirty-one thousand, three hundred forty-nine".