33001604473 has 2 divisors, whose sum is σ = 33001604474. Its totient is φ = 33001604472.

The previous prime is 33001604423. The next prime is 33001604479. The reversal of 33001604473 is 37440610033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22986198544 + 10015405929 = 151612^2 + 100077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33001604473 is a prime.

It is not a weakly prime, because it can be changed into another prime (33001604479) 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 as a sum of consecutive naturals, namely, 16500802236 + 16500802237.

It is an arithmetic number, because the mean of its divisors is an integer number (16500802237).

Almost surely, 2^33001604473 is an apocalyptic number.

It is an amenable number.

33001604473 is a deficient number, since it is larger than the sum of its proper divisors (1).

33001604473 is an equidigital number, since it uses as much as digits as its factorization.

33001604473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The spelling of 33001604473 in words is "thirty-three billion, one million, six hundred four thousand, four hundred seventy-three".