33054505291 has 2 divisors, whose sum is σ = 33054505292. Its totient is φ = 33054505290.

The previous prime is 33054505273. The next prime is 33054505343. The reversal of 33054505291 is 19250545033.

It is a weak prime.

It is an emirp because it is prime and its reverse (19250545033) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33054505291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33054505291.

It is not a weakly prime, because it can be changed into another prime (33054505391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16527252645 + 16527252646.

It is an arithmetic number, because the mean of its divisors is an integer number (16527252646).

Almost surely, 2^33054505291 is an apocalyptic number.

33054505291 is a deficient number, since it is larger than the sum of its proper divisors (1).

33054505291 is an equidigital number, since it uses as much as digits as its factorization.

33054505291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 33054505291 in words is "thirty-three billion, fifty-four million, five hundred five thousand, two hundred ninety-one".