33906821089 has 8 divisors (see below), whose sum is σ = 36521423840. Its totient is φ = 31375221696.

The previous prime is 33906821059. The next prime is 33906821159. The reversal of 33906821089 is 98012860933.

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

It is a cyclic number.

It is not a de Polignac number, because 33906821089 - 2¹¹ = 33906819041 is a prime.

It is a super-2 number, since 2×33906821089² (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 (33906821029) 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, 20749992 + ... + 20751625.

It is an arithmetic number, because the mean of its divisors is an integer number (4565177980).

Almost surely, 2^33906821089 is an apocalyptic number.

It is an amenable number.

33906821089 is a deficient number, since it is larger than the sum of its proper divisors (2614602751).

33906821089 is a wasteful number, since it uses less digits than its factorization.

33906821089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41501679.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 33906821089 in words is "thirty-three billion, nine hundred six million, eight hundred twenty-one thousand, eighty-nine".