33386868433 has 4 divisors (see below), whose sum is σ = 33405915748. Its totient is φ = 33367821120.

The previous prime is 33386868413. The next prime is 33386868451. The reversal of 33386868433 is 33486868333.

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 14768811729 + 18618056704 = 121527^2 + 136448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33386868433 is a prime.

It is a super-2 number, since 2×33386868433² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33386868413) 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, 9521028 + ... + 9524533.

It is an arithmetic number, because the mean of its divisors is an integer number (8351478937).

Almost surely, 2^33386868433 is an apocalyptic number.

It is an amenable number.

33386868433 is a deficient number, since it is larger than the sum of its proper divisors (19047315).

33386868433 is a wasteful number, since it uses less digits than its factorization.

33386868433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19047314.

The product of its digits is 17915904, while the sum is 55.

The spelling of 33386868433 in words is "thirty-three billion, three hundred eighty-six million, eight hundred sixty-eight thousand, four hundred thirty-three".