464636212171321 has 2 divisors, whose sum is σ = 464636212171322. Its totient is φ = 464636212171320.

The previous prime is 464636212171277. The next prime is 464636212171337. The reversal of 464636212171321 is 123171212636464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402184414175296 + 62451797996025 = 20054536^2 + 7902645^2 .

It is a cyclic number.

It is not a de Polignac number, because 464636212171321 - 2¹¹ = 464636212169273 is a prime.

It is not a weakly prime, because it can be changed into another prime (464636212171121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232318106085660 + 232318106085661.

It is an arithmetic number, because the mean of its divisors is an integer number (232318106085661).

Almost surely, 2^{464636212171321} is an apocalyptic number.

It is an amenable number.

464636212171321 is a deficient number, since it is larger than the sum of its proper divisors (1).

464636212171321 is an equidigital number, since it uses as much as digits as its factorization.

464636212171321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 49.

The spelling of 464636212171321 in words is "four hundred sixty-four trillion, six hundred thirty-six billion, two hundred twelve million, one hundred seventy-one thousand, three hundred twenty-one".