1308989365417 has 2 divisors, whose sum is σ = 1308989365418. Its totient is φ = 1308989365416.

The previous prime is 1308989365403. The next prime is 1308989365427. The reversal of 1308989365417 is 7145639898031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 809965800361 + 499023565056 = 899981^2 + 706416^2 .

It is an emirp because it is prime and its reverse (7145639898031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1308989365417 - 2³¹ = 1306841881769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1308989365427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654494682708 + 654494682709.

It is an arithmetic number, because the mean of its divisors is an integer number (654494682709).

Almost surely, 2^{1308989365417} is an apocalyptic number.

It is an amenable number.

1308989365417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308989365417 is an equidigital number, since it uses as much as digits as its factorization.

1308989365417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 1308989365417 in words is "one trillion, three hundred eight billion, nine hundred eighty-nine million, three hundred sixty-five thousand, four hundred seventeen".