33028979411999 has 4 divisors (see below), whose sum is σ = 33031285758240. Its totient is φ = 33026673065760.

The previous prime is 33028979411941. The next prime is 33028979412031. The reversal of 33028979411999 is 99911497982033.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33028979411999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33028979411899) 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, 1153151639 + ... + 1153180280.

It is an arithmetic number, because the mean of its divisors is an integer number (8257821439560).

Almost surely, 2^{33028979411999} is an apocalyptic number.

33028979411999 is a deficient number, since it is larger than the sum of its proper divisors (2306346241).

33028979411999 is a wasteful number, since it uses less digits than its factorization.

33028979411999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306346240.

The product of its (nonzero) digits is 238085568, while the sum is 74.

The spelling of 33028979411999 in words is "thirty-three trillion, twenty-eight billion, nine hundred seventy-nine million, four hundred eleven thousand, nine hundred ninety-nine".