33073768813 has 2 divisors, whose sum is σ = 33073768814. Its totient is φ = 33073768812.

The previous prime is 33073768807. The next prime is 33073768817. The reversal of 33073768813 is 31886737033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21427689924 + 11646078889 = 146382^2 + 107917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33073768813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33073768817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16536884406 + 16536884407.

It is an arithmetic number, because the mean of its divisors is an integer number (16536884407).

Almost surely, 2^33073768813 is an apocalyptic number.

It is an amenable number.

33073768813 is a deficient number, since it is larger than the sum of its proper divisors (1).

33073768813 is an equidigital number, since it uses as much as digits as its factorization.

33073768813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 33073768813 in words is "thirty-three billion, seventy-three million, seven hundred sixty-eight thousand, eight hundred thirteen".