338589487433 has 2 divisors, whose sum is σ = 338589487434. Its totient is φ = 338589487432.

The previous prime is 338589487429. The next prime is 338589487459. The reversal of 338589487433 is 334784985833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267280728064 + 71308759369 = 516992^2 + 267037^2 .

It is an emirp because it is prime and its reverse (334784985833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338589487433 - 2² = 338589487429 is a prime.

It is a super-2 number, since 2×338589487433² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338589487433.

It is not a weakly prime, because it can be changed into another prime (338589487493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169294743716 + 169294743717.

It is an arithmetic number, because the mean of its divisors is an integer number (169294743717).

Almost surely, 2^338589487433 is an apocalyptic number.

It is an amenable number.

338589487433 is a deficient number, since it is larger than the sum of its proper divisors (1).

338589487433 is an equidigital number, since it uses as much as digits as its factorization.

338589487433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209018880, while the sum is 65.

The spelling of 338589487433 in words is "three hundred thirty-eight billion, five hundred eighty-nine million, four hundred eighty-seven thousand, four hundred thirty-three".