34720940161 has 2 divisors, whose sum is σ = 34720940162. Its totient is φ = 34720940160.

The previous prime is 34720940101. The next prime is 34720940183. The reversal of 34720940161 is 16104902743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34720732225 + 207936 = 186335^2 + 456^2 .

It is a cyclic number.

It is not a de Polignac number, because 34720940161 - 2¹¹ = 34720938113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34720940161.

It is not a weakly prime, because it can be changed into another prime (34720940101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17360470080 + 17360470081.

It is an arithmetic number, because the mean of its divisors is an integer number (17360470081).

Almost surely, 2^34720940161 is an apocalyptic number.

It is an amenable number.

34720940161 is a deficient number, since it is larger than the sum of its proper divisors (1).

34720940161 is an equidigital number, since it uses as much as digits as its factorization.

34720940161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 34720940161 in words is "thirty-four billion, seven hundred twenty million, nine hundred forty thousand, one hundred sixty-one".