33471975538009 has 2 divisors, whose sum is σ = 33471975538010. Its totient is φ = 33471975538008.

The previous prime is 33471975537983. The next prime is 33471975538021. The reversal of 33471975538009 is 90083557917433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31472941505625 + 1999034032384 = 5610075^2 + 1413872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33471975538009 is a prime.

It is a super-2 number, since 2×33471975538009² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33471975538069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16735987769004 + 16735987769005.

It is an arithmetic number, because the mean of its divisors is an integer number (16735987769005).

Almost surely, 2^{33471975538009} is an apocalyptic number.

It is an amenable number.

33471975538009 is a deficient number, since it is larger than the sum of its proper divisors (1).

33471975538009 is an equidigital number, since it uses as much as digits as its factorization.

33471975538009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85730400, while the sum is 64.

The spelling of 33471975538009 in words is "thirty-three trillion, four hundred seventy-one billion, nine hundred seventy-five million, five hundred thirty-eight thousand, nine".