2135410217 has 2 divisors, whose sum is σ = 2135410218. Its totient is φ = 2135410216.

The previous prime is 2135410213. The next prime is 2135410253. The reversal of 2135410217 is 7120145312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2124841216 + 10569001 = 46096^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135410217 - 2² = 2135410213 is a prime.

It is not a weakly prime, because it can be changed into another prime (2135410213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067705108 + 1067705109.

It is an arithmetic number, because the mean of its divisors is an integer number (1067705109).

Almost surely, 2^2135410217 is an apocalyptic number.

It is an amenable number.

2135410217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135410217 is an equidigital number, since it uses as much as digits as its factorization.

2135410217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2135410217 is about 46210.4989910302. The cubic root of 2135410217 is about 1287.7367958842.

Adding to 2135410217 its reverse (7120145312), we get a palindrome (9255555529).

The spelling of 2135410217 in words is "two billion, one hundred thirty-five million, four hundred ten thousand, two hundred seventeen".