33283881013 has 4 divisors (see below), whose sum is σ = 33292382220. Its totient is φ = 33275379808.

The previous prime is 33283880941. The next prime is 33283881019. The reversal of 33283881013 is 31018838233.

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 31578356209 + 1705524804 = 177703^2 + 41298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33283881013 is a prime.

It is a super-2 number, since 2×33283881013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33283881019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4244728 + ... + 4252561.

It is an arithmetic number, because the mean of its divisors is an integer number (8323095555).

Almost surely, 2^33283881013 is an apocalyptic number.

It is an amenable number.

33283881013 is a deficient number, since it is larger than the sum of its proper divisors (8501207).

33283881013 is an equidigital number, since it uses as much as digits as its factorization.

33283881013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501206.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 33283881013 in words is "thirty-three billion, two hundred eighty-three million, eight hundred eighty-one thousand, thirteen".