7171358341489 has 2 divisors, whose sum is σ = 7171358341490. Its totient is φ = 7171358341488.

The previous prime is 7171358341463. The next prime is 7171358341571. The reversal of 7171358341489 is 9841438531717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4754602055025 + 2416756286464 = 2180505^2 + 1554592^2 .

It is a cyclic number.

It is not a de Polignac number, because 7171358341489 - 2⁴¹ = 4972335085937 is a prime.

It is not a weakly prime, because it can be changed into another prime (7171358341409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3585679170744 + 3585679170745.

It is an arithmetic number, because the mean of its divisors is an integer number (3585679170745).

Almost surely, 2^{7171358341489} is an apocalyptic number.

It is an amenable number.

7171358341489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7171358341489 is an equidigital number, since it uses as much as digits as its factorization.

7171358341489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20321280, while the sum is 61.

The spelling of 7171358341489 in words is "seven trillion, one hundred seventy-one billion, three hundred fifty-eight million, three hundred forty-one thousand, four hundred eighty-nine".