871372491329 has 2 divisors, whose sum is σ = 871372491330. Its totient is φ = 871372491328.

The previous prime is 871372491259. The next prime is 871372491377. The reversal of 871372491329 is 923194273178.

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., 869466732304 + 1905759025 = 932452^2 + 43655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-871372491329 is a prime.

It is not a weakly prime, because it can be changed into another prime (871372497329) 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, 435686245664 + 435686245665.

It is an arithmetic number, because the mean of its divisors is an integer number (435686245665).

Almost surely, 2^871372491329 is an apocalyptic number.

It is an amenable number.

871372491329 is a deficient number, since it is larger than the sum of its proper divisors (1).

871372491329 is an equidigital number, since it uses as much as digits as its factorization.

871372491329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 56.

The spelling of 871372491329 in words is "eight hundred seventy-one billion, three hundred seventy-two million, four hundred ninety-one thousand, three hundred twenty-nine".