33928306091 has 8 divisors (see below), whose sum is σ = 35088798720. Its totient is φ = 32786089128.

The previous prime is 33928306057. The next prime is 33928306103. The reversal of 33928306091 is 19060382933.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33928306091 is a prime.

It is a super-2 number, since 2×33928306091² (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 (33928306021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4565141 + ... + 4572566.

It is an arithmetic number, because the mean of its divisors is an integer number (4386099840).

Almost surely, 2^33928306091 is an apocalyptic number.

33928306091 is a deficient number, since it is larger than the sum of its proper divisors (1160492629).

33928306091 is an equidigital number, since it uses as much as digits as its factorization.

33928306091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9137833.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 33928306091 in words is "thirty-three billion, nine hundred twenty-eight million, three hundred six thousand, ninety-one".