33434043161 has 2 divisors, whose sum is σ = 33434043162. Its totient is φ = 33434043160.

The previous prime is 33434043107. The next prime is 33434043197. The reversal of 33434043161 is 16134043433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32736026761 + 698016400 = 180931^2 + 26420^2 .

It is an emirp because it is prime and its reverse (16134043433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33434043161 - 2¹⁴ = 33434026777 is a prime.

It is a super-2 number, since 2×33434043161² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33434043761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16717021580 + 16717021581.

It is an arithmetic number, because the mean of its divisors is an integer number (16717021581).

Almost surely, 2^33434043161 is an apocalyptic number.

It is an amenable number.

33434043161 is a deficient number, since it is larger than the sum of its proper divisors (1).

33434043161 is an equidigital number, since it uses as much as digits as its factorization.

33434043161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 33434043161 its reverse (16134043433), we get a palindrome (49568086594).

The spelling of 33434043161 in words is "thirty-three billion, four hundred thirty-four million, forty-three thousand, one hundred sixty-one".