481321532864569 has 2 divisors, whose sum is σ = 481321532864570. Its totient is φ = 481321532864568.

The previous prime is 481321532864521. The next prime is 481321532864593. The reversal of 481321532864569 is 965468235123184.

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., 464450428436544 + 16871104428025 = 21551112^2 + 4107445^2 .

It is a cyclic number.

It is not a de Polignac number, because 481321532864569 - 2¹³ = 481321532856377 is a prime.

It is a super-2 number, since 2×481321532864569² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (481321532861569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240660766432284 + 240660766432285.

It is an arithmetic number, because the mean of its divisors is an integer number (240660766432285).

Almost surely, 2^{481321532864569} is an apocalyptic number.

It is an amenable number.

481321532864569 is a deficient number, since it is larger than the sum of its proper divisors (1).

481321532864569 is an equidigital number, since it uses as much as digits as its factorization.

481321532864569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 298598400, while the sum is 67.

The spelling of 481321532864569 in words is "four hundred eighty-one trillion, three hundred twenty-one billion, five hundred thirty-two million, eight hundred sixty-four thousand, five hundred sixty-nine".