338459880832693 has 2 divisors, whose sum is σ = 338459880832694. Its totient is φ = 338459880832692.

The previous prime is 338459880832627. The next prime is 338459880832757. The reversal of 338459880832693 is 396238088954833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226831823317969 + 111628057514724 = 15060937^2 + 10565418^2 .

It is an emirp because it is prime and its reverse (396238088954833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338459880832693 - 2⁴⁵ = 303275508743861 is a prime.

It is a super-2 number, since 2×338459880832693² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338459880832613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169229940416346 + 169229940416347.

It is an arithmetic number, because the mean of its divisors is an integer number (169229940416347).

Almost surely, 2^{338459880832693} is an apocalyptic number.

It is an amenable number.

338459880832693 is a deficient number, since it is larger than the sum of its proper divisors (1).

338459880832693 is an equidigital number, since it uses as much as digits as its factorization.

338459880832693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6449725440, while the sum is 79.

The spelling of 338459880832693 in words is "three hundred thirty-eight trillion, four hundred fifty-nine billion, eight hundred eighty million, eight hundred thirty-two thousand, six hundred ninety-three".