872190843685313 has 2 divisors, whose sum is σ = 872190843685314. Its totient is φ = 872190843685312.

The previous prime is 872190843685253. The next prime is 872190843685433. The reversal of 872190843685313 is 313586348091278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806855841523264 + 65335002162049 = 28405208^2 + 8083007^2 .

It is a cyclic number.

It is not a de Polignac number, because 872190843685313 - 2¹⁴ = 872190843668929 is a prime.

It is not a weakly prime, because it can be changed into another prime (872190843685013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436095421842656 + 436095421842657.

It is an arithmetic number, because the mean of its divisors is an integer number (436095421842657).

It is a 1-persistent number, because it is pandigital, but 2⋅872190843685313 = 1744381687370626 is not.

Almost surely, 2^{872190843685313} is an apocalyptic number.

It is an amenable number.

872190843685313 is a deficient number, since it is larger than the sum of its proper divisors (1).

872190843685313 is an equidigital number, since it uses as much as digits as its factorization.

872190843685313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 872190843685313 in words is "eight hundred seventy-two trillion, one hundred ninety billion, eight hundred forty-three million, six hundred eighty-five thousand, three hundred thirteen".