338298917081 has 2 divisors, whose sum is σ = 338298917082. Its totient is φ = 338298917080.

The previous prime is 338298917069. The next prime is 338298917137. The reversal of 338298917081 is 180719892833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320984568025 + 17314349056 = 566555^2 + 131584^2 .

It is a cyclic number.

It is not a de Polignac number, because 338298917081 - 2¹⁸ = 338298654937 is a prime.

It is a super-2 number, since 2×338298917081² (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 338298917081.

It is not a weakly prime, because it can be changed into another prime (338298914081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169149458540 + 169149458541.

It is an arithmetic number, because the mean of its divisors is an integer number (169149458541).

Almost surely, 2^338298917081 is an apocalyptic number.

It is an amenable number.

338298917081 is a deficient number, since it is larger than the sum of its proper divisors (1).

338298917081 is an equidigital number, since it uses as much as digits as its factorization.

338298917081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 338298917081 in words is "three hundred thirty-eight billion, two hundred ninety-eight million, nine hundred seventeen thousand, eighty-one".