7036660217 has 2 divisors, whose sum is σ = 7036660218. Its totient is φ = 7036660216.

The previous prime is 7036660199. The next prime is 7036660243. The reversal of 7036660217 is 7120666307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7028474896 + 8185321 = 83836^2 + 2861^2 .

It is a cyclic number.

It is not a de Polignac number, because 7036660217 - 2¹⁴ = 7036643833 is a prime.

It is not a weakly prime, because it can be changed into another prime (7036600217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3518330108 + 3518330109.

It is an arithmetic number, because the mean of its divisors is an integer number (3518330109).

Almost surely, 2^7036660217 is an apocalyptic number.

It is an amenable number.

7036660217 is a deficient number, since it is larger than the sum of its proper divisors (1).

7036660217 is an equidigital number, since it uses as much as digits as its factorization.

7036660217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 7036660217 is about 83884.8032542248. The cubic root of 7036660217 is about 1916.2648209737.

The spelling of 7036660217 in words is "seven billion, thirty-six million, six hundred sixty thousand, two hundred seventeen".