338218847269 has 2 divisors, whose sum is σ = 338218847270. Its totient is φ = 338218847268.

The previous prime is 338218847243. The next prime is 338218847401. The reversal of 338218847269 is 962748812833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235091159044 + 103127688225 = 484862^2 + 321135^2 .

It is an emirp because it is prime and its reverse (962748812833) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338218847269 is a prime.

It is a super-2 number, since 2×338218847269² (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 (338218847209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169109423634 + 169109423635.

It is an arithmetic number, because the mean of its divisors is an integer number (169109423635).

Almost surely, 2^338218847269 is an apocalyptic number.

It is an amenable number.

338218847269 is a deficient number, since it is larger than the sum of its proper divisors (1).

338218847269 is an equidigital number, since it uses as much as digits as its factorization.

338218847269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27869184, while the sum is 61.

The spelling of 338218847269 in words is "three hundred thirty-eight billion, two hundred eighteen million, eight hundred forty-seven thousand, two hundred sixty-nine".