321000475461089 has 2 divisors, whose sum is σ = 321000475461090. Its totient is φ = 321000475461088.

The previous prime is 321000475461023. The next prime is 321000475461151. The reversal of 321000475461089 is 980164574000123.

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., 316675656116689 + 4324819344400 = 17795383^2 + 2079620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321000475461089 is a prime.

It is not a weakly prime, because it can be changed into another prime (321000475961089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160500237730544 + 160500237730545.

It is an arithmetic number, because the mean of its divisors is an integer number (160500237730545).

It is a 1-persistent number, because it is pandigital, but 2⋅321000475461089 = 642000950922178 is not.

Almost surely, 2^{321000475461089} is an apocalyptic number.

It is an amenable number.

321000475461089 is a deficient number, since it is larger than the sum of its proper divisors (1).

321000475461089 is an equidigital number, since it uses as much as digits as its factorization.

321000475461089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 321000475461089 in words is "three hundred twenty-one trillion, four hundred seventy-five million, four hundred sixty-one thousand, eighty-nine".