33091054987 has 8 divisors (see below), whose sum is σ = 35323292160. Its totient is φ = 30907878120.

The previous prime is 33091054961. The next prime is 33091054993. The reversal of 33091054987 is 78945019033.

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 33091054987 - 2¹⁹ = 33090530699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33091054987.

It is not an unprimeable number, because it can be changed into a prime (33091052987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12263683 + ... + 12266380.

It is an arithmetic number, because the mean of its divisors is an integer number (4415411520).

Almost surely, 2^33091054987 is an apocalyptic number.

33091054987 is a deficient number, since it is larger than the sum of its proper divisors (2232237173).

33091054987 is a wasteful number, since it uses less digits than its factorization.

33091054987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24530153.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 33091054987 in words is "thirty-three billion, ninety-one million, fifty-four thousand, nine hundred eighty-seven".