33147028361 has 2 divisors, whose sum is σ = 33147028362. Its totient is φ = 33147028360.

The previous prime is 33147028307. The next prime is 33147028363. The reversal of 33147028361 is 16382074133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17038341961 + 16108686400 = 130531^2 + 126920^2 .

It is a cyclic number.

It is not a de Polignac number, because 33147028361 - 2²⁶ = 33079919497 is a prime.

Together with 33147028363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33147028363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16573514180 + 16573514181.

It is an arithmetic number, because the mean of its divisors is an integer number (16573514181).

Almost surely, 2^33147028361 is an apocalyptic number.

It is an amenable number.

33147028361 is a deficient number, since it is larger than the sum of its proper divisors (1).

33147028361 is an equidigital number, since it uses as much as digits as its factorization.

33147028361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 33147028361 in words is "thirty-three billion, one hundred forty-seven million, twenty-eight thousand, three hundred sixty-one".