2162104961 has 2 divisors, whose sum is σ = 2162104962. Its totient is φ = 2162104960.

The previous prime is 2162104957. The next prime is 2162104969. The reversal of 2162104961 is 1694012612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2136288400 + 25816561 = 46220^2 + 5081^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162104961 - 2² = 2162104957 is a prime.

It is not a weakly prime, because it can be changed into another prime (2162104969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081052480 + 1081052481.

It is an arithmetic number, because the mean of its divisors is an integer number (1081052481).

Almost surely, 2^2162104961 is an apocalyptic number.

It is an amenable number.

2162104961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162104961 is an equidigital number, since it uses as much as digits as its factorization.

2162104961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2162104961 is about 46498.4404147064. The cubic root of 2162104961 is about 1293.0805851903.

The spelling of 2162104961 in words is "two billion, one hundred sixty-two million, one hundred four thousand, nine hundred sixty-one".