33303320957 has 2 divisors, whose sum is σ = 33303320958. Its totient is φ = 33303320956.

The previous prime is 33303320927. The next prime is 33303321013. The reversal of 33303320957 is 75902330333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23344478521 + 9958842436 = 152789^2 + 99794^2 .

It is an emirp because it is prime and its reverse (75902330333) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33303320957 is a prime.

It is a super-2 number, since 2×33303320957² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33303320957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33303320927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16651660478 + 16651660479.

It is an arithmetic number, because the mean of its divisors is an integer number (16651660479).

Almost surely, 2^33303320957 is an apocalyptic number.

It is an amenable number.

33303320957 is a deficient number, since it is larger than the sum of its proper divisors (1).

33303320957 is an equidigital number, since it uses as much as digits as its factorization.

33303320957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 38.

The spelling of 33303320957 in words is "thirty-three billion, three hundred three million, three hundred twenty thousand, nine hundred fifty-seven".