338275646287 has 2 divisors, whose sum is σ = 338275646288. Its totient is φ = 338275646286.

The previous prime is 338275646273. The next prime is 338275646347. The reversal of 338275646287 is 782646572833.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (782646572833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338275646287 - 2¹⁹ = 338275121999 is a prime.

It is a super-2 number, since 2×338275646287² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338275646257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169137823143 + 169137823144.

It is an arithmetic number, because the mean of its divisors is an integer number (169137823144).

Almost surely, 2^338275646287 is an apocalyptic number.

338275646287 is a deficient number, since it is larger than the sum of its proper divisors (1).

338275646287 is an equidigital number, since it uses as much as digits as its factorization.

338275646287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81285120, while the sum is 61.

The spelling of 338275646287 in words is "three hundred thirty-eight billion, two hundred seventy-five million, six hundred forty-six thousand, two hundred eighty-seven".