33069306913 has 2 divisors, whose sum is σ = 33069306914. Its totient is φ = 33069306912.

The previous prime is 33069306877. The next prime is 33069307013. The reversal of 33069306913 is 31960396033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18255252544 + 14814054369 = 135112^2 + 121713^2 .

It is a cyclic number.

It is not a de Polignac number, because 33069306913 - 2⁹ = 33069306401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33069306913.

It is not a weakly prime, because it can be changed into another prime (33069307913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16534653456 + 16534653457.

It is an arithmetic number, because the mean of its divisors is an integer number (16534653457).

Almost surely, 2^33069306913 is an apocalyptic number.

It is an amenable number.

33069306913 is a deficient number, since it is larger than the sum of its proper divisors (1).

33069306913 is an equidigital number, since it uses as much as digits as its factorization.

33069306913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 43.

The spelling of 33069306913 in words is "thirty-three billion, sixty-nine million, three hundred six thousand, nine hundred thirteen".