33189018079 has 4 divisors (see below), whose sum is σ = 37930306384. Its totient is φ = 28447729776.

The previous prime is 33189018067. The next prime is 33189018229. The reversal of 33189018079 is 97081098133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97081098133 = 991 ⋅97962763.

It is a cyclic number.

It is not a de Polignac number, because 33189018079 - 2²¹ = 33186920927 is a prime.

It is a super-2 number, since 2×33189018079² (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 (33189018479) 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, 2370644142 + ... + 2370644155.

It is an arithmetic number, because the mean of its divisors is an integer number (9482576596).

Almost surely, 2^33189018079 is an apocalyptic number.

33189018079 is a deficient number, since it is larger than the sum of its proper divisors (4741288305).

33189018079 is an equidigital number, since it uses as much as digits as its factorization.

33189018079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741288304.

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 33189018079 in words is "thirty-three billion, one hundred eighty-nine million, eighteen thousand, seventy-nine".