2135324161 has 2 divisors, whose sum is σ = 2135324162. Its totient is φ = 2135324160.

The previous prime is 2135324159. The next prime is 2135324167. The reversal of 2135324161 is 1614235312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1574581761 + 560742400 = 39681^2 + 23680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135324161 - 2¹ = 2135324159 is a prime.

Together with 2135324159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2135324167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067662080 + 1067662081.

It is an arithmetic number, because the mean of its divisors is an integer number (1067662081).

Almost surely, 2^2135324161 is an apocalyptic number.

It is an amenable number.

2135324161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135324161 is an equidigital number, since it uses as much as digits as its factorization.

2135324161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 2135324161 is about 46209.5678512578. The cubic root of 2135324161 is about 1287.7194972616.

Adding to 2135324161 its reverse (1614235312), we get a palindrome (3749559473).

The spelling of 2135324161 in words is "two billion, one hundred thirty-five million, three hundred twenty-four thousand, one hundred sixty-one".