1338421760017 has 2 divisors, whose sum is σ = 1338421760018. Its totient is φ = 1338421760016.

The previous prime is 1338421760003. The next prime is 1338421760029. The reversal of 1338421760017 is 7100671248331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887154888321 + 451266871696 = 941889^2 + 671764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1338421760017 is a prime.

It is a super-3 number, since 3×1338421760017³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1338421760047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669210880008 + 669210880009.

It is an arithmetic number, because the mean of its divisors is an integer number (669210880009).

Almost surely, 2^{1338421760017} is an apocalyptic number.

It is an amenable number.

1338421760017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338421760017 is an equidigital number, since it uses as much as digits as its factorization.

1338421760017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 1338421760017 in words is "one trillion, three hundred thirty-eight billion, four hundred twenty-one million, seven hundred sixty thousand, seventeen".