534616566481 has 2 divisors, whose sum is σ = 534616566482. Its totient is φ = 534616566480.

The previous prime is 534616566479. The next prime is 534616566499. The reversal of 534616566481 is 184665616435.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323192250000 + 211424316481 = 568500^2 + 459809^2 .

It is a cyclic number.

It is not a de Polignac number, because 534616566481 - 2¹ = 534616566479 is a prime.

It is a super-2 number, since 2×534616566481² (a number of 24 digits) contains 22 as substring.

Together with 534616566479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (534616566181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267308283240 + 267308283241.

It is an arithmetic number, because the mean of its divisors is an integer number (267308283241).

Almost surely, 2^534616566481 is an apocalyptic number.

It is an amenable number.

534616566481 is a deficient number, since it is larger than the sum of its proper divisors (1).

534616566481 is an equidigital number, since it uses as much as digits as its factorization.

534616566481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12441600, while the sum is 55.

The spelling of 534616566481 in words is "five hundred thirty-four billion, six hundred sixteen million, five hundred sixty-six thousand, four hundred eighty-one".