33009892961 has 2 divisors, whose sum is σ = 33009892962. Its totient is φ = 33009892960.

The previous prime is 33009892939. The next prime is 33009892999. The reversal of 33009892961 is 16929890033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30849409600 + 2160483361 = 175640^2 + 46481^2 .

It is a cyclic number.

It is not a de Polignac number, because 33009892961 - 2¹⁴ = 33009876577 is a prime.

It is not a weakly prime, because it can be changed into another prime (33009892921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16504946480 + 16504946481.

It is an arithmetic number, because the mean of its divisors is an integer number (16504946481).

Almost surely, 2^33009892961 is an apocalyptic number.

It is an amenable number.

33009892961 is a deficient number, since it is larger than the sum of its proper divisors (1).

33009892961 is an equidigital number, since it uses as much as digits as its factorization.

33009892961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 33009892961 in words is "thirty-three billion, nine million, eight hundred ninety-two thousand, nine hundred sixty-one".