2670085217 has 2 divisors, whose sum is σ = 2670085218. Its totient is φ = 2670085216.

The previous prime is 2670085207. The next prime is 2670085237. The reversal of 2670085217 is 7125800762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2276816656 + 393268561 = 47716^2 + 19831^2 .

It is a cyclic number.

It is not a de Polignac number, because 2670085217 - 2⁶ = 2670085153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2670085207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335042608 + 1335042609.

It is an arithmetic number, because the mean of its divisors is an integer number (1335042609).

Almost surely, 2^2670085217 is an apocalyptic number.

It is an amenable number.

2670085217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2670085217 is an equidigital number, since it uses as much as digits as its factorization.

2670085217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 2670085217 is about 51672.8673193195. The cubic root of 2670085217 is about 1387.3148682679.

Adding to 2670085217 its reverse (7125800762), we get a palindrome (9795885979).

The spelling of 2670085217 in words is "two billion, six hundred seventy million, eighty-five thousand, two hundred seventeen".