534663817387643 has 2 divisors, whose sum is σ = 534663817387644. Its totient is φ = 534663817387642.

The previous prime is 534663817387519. The next prime is 534663817387681. The reversal of 534663817387643 is 346783718366435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 534663817387643 - 2²² = 534663813193339 is a prime.

It is a super-2 number, since 2×534663817387643² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (534663817387043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267331908693821 + 267331908693822.

It is an arithmetic number, because the mean of its divisors is an integer number (267331908693822).

Almost surely, 2^{534663817387643} is an apocalyptic number.

534663817387643 is a deficient number, since it is larger than the sum of its proper divisors (1).

534663817387643 is an equidigital number, since it uses as much as digits as its factorization.

534663817387643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4389396480, while the sum is 74.

The spelling of 534663817387643 in words is "five hundred thirty-four trillion, six hundred sixty-three billion, eight hundred seventeen million, three hundred eighty-seven thousand, six hundred forty-three".