2136066461 has 2 divisors, whose sum is σ = 2136066462. Its totient is φ = 2136066460.

The previous prime is 2136066403. The next prime is 2136066497. The reversal of 2136066461 is 1646606312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1961958436 + 174108025 = 44294^2 + 13195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136066461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136066761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068033230 + 1068033231.

It is an arithmetic number, because the mean of its divisors is an integer number (1068033231).

Almost surely, 2^2136066461 is an apocalyptic number.

It is an amenable number.

2136066461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136066461 is an equidigital number, since it uses as much as digits as its factorization.

2136066461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2136066461 is about 46217.5990397597. The cubic root of 2136066461 is about 1287.8686960669.

The spelling of 2136066461 in words is "two billion, one hundred thirty-six million, sixty-six thousand, four hundred sixty-one".