338670550217 has 2 divisors, whose sum is σ = 338670550218. Its totient is φ = 338670550216.

The previous prime is 338670550199. The next prime is 338670550261. The reversal of 338670550217 is 712055076833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331256651401 + 7413898816 = 575549^2 + 86104^2 .

It is a cyclic number.

It is not a de Polignac number, because 338670550217 - 2⁸ = 338670549961 is a prime.

It is a super-2 number, since 2×338670550217² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338670550277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169335275108 + 169335275109.

It is an arithmetic number, because the mean of its divisors is an integer number (169335275109).

Almost surely, 2^338670550217 is an apocalyptic number.

It is an amenable number.

338670550217 is a deficient number, since it is larger than the sum of its proper divisors (1).

338670550217 is an equidigital number, since it uses as much as digits as its factorization.

338670550217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 338670550217 in words is "three hundred thirty-eight billion, six hundred seventy million, five hundred fifty thousand, two hundred seventeen".