33133213091 has 8 divisors (see below), whose sum is σ = 36164582400. Its totient is φ = 30105053640.

The previous prime is 33133213051. The next prime is 33133213093. The reversal of 33133213091 is 19031233133.

It is a happy number.

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-33133213091 is a prime.

It is a super-2 number, since 2×33133213091² (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 (33133213093) 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, 780851 + ... + 822188.

It is an arithmetic number, because the mean of its divisors is an integer number (4520572800).

Almost surely, 2^33133213091 is an apocalyptic number.

33133213091 is a deficient number, since it is larger than the sum of its proper divisors (3031369309).

33133213091 is a wasteful number, since it uses less digits than its factorization.

33133213091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604929.

The product of its (nonzero) digits is 4374, while the sum is 29.

The spelling of 33133213091 in words is "thirty-three billion, one hundred thirty-three million, two hundred thirteen thousand, ninety-one".