33396516913 has 4 divisors (see below), whose sum is σ = 34211066148. Its totient is φ = 32581967680.

The previous prime is 33396516893. The next prime is 33396516917. The reversal of 33396516913 is 31961569333.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7717095409 + 25679421504 = 87847^2 + 160248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33396516913 is a prime.

It is a super-2 number, since 2×33396516913² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33396516917) 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 in 3 ways as a sum of consecutive naturals, for example, 407274556 + ... + 407274637.

It is an arithmetic number, because the mean of its divisors is an integer number (8552766537).

Almost surely, 2^33396516913 is an apocalyptic number.

It is an amenable number.

33396516913 is a deficient number, since it is larger than the sum of its proper divisors (814549235).

33396516913 is an equidigital number, since it uses as much as digits as its factorization.

33396516913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814549234.

The product of its digits is 1180980, while the sum is 49.

The spelling of 33396516913 in words is "thirty-three billion, three hundred ninety-six million, five hundred sixteen thousand, nine hundred thirteen".