33530346481 has 2 divisors, whose sum is σ = 33530346482. Its totient is φ = 33530346480.

The previous prime is 33530346431. The next prime is 33530346527. The reversal of 33530346481 is 18464303533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31011210000 + 2519136481 = 176100^2 + 50191^2 .

It is a cyclic number.

It is not a de Polignac number, because 33530346481 - 2¹¹ = 33530344433 is a prime.

It is a super-2 number, since 2×33530346481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33530346431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16765173240 + 16765173241.

It is an arithmetic number, because the mean of its divisors is an integer number (16765173241).

Almost surely, 2^33530346481 is an apocalyptic number.

It is an amenable number.

33530346481 is a deficient number, since it is larger than the sum of its proper divisors (1).

33530346481 is an equidigital number, since it uses as much as digits as its factorization.

33530346481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 33530346481 in words is "thirty-three billion, five hundred thirty million, three hundred forty-six thousand, four hundred eighty-one".