33521134741 has 2 divisors, whose sum is σ = 33521134742. Its totient is φ = 33521134740.

The previous prime is 33521134631. The next prime is 33521134781. The reversal of 33521134741 is 14743112533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23173972900 + 10347161841 = 152230^2 + 101721^2 .

It is an emirp because it is prime and its reverse (14743112533) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33521134741 is a prime.

It is a super-2 number, since 2×33521134741² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33521134697 and 33521134706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33521134781) 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, 16760567370 + 16760567371.

It is an arithmetic number, because the mean of its divisors is an integer number (16760567371).

Almost surely, 2^33521134741 is an apocalyptic number.

It is an amenable number.

33521134741 is a deficient number, since it is larger than the sum of its proper divisors (1).

33521134741 is an equidigital number, since it uses as much as digits as its factorization.

33521134741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The spelling of 33521134741 in words is "thirty-three billion, five hundred twenty-one million, one hundred thirty-four thousand, seven hundred forty-one".