534665072543 has 4 divisors (see below), whose sum is σ = 611045797200. Its totient is φ = 458284347888.

The previous prime is 534665072519. The next prime is 534665072593. The reversal of 534665072543 is 345270566435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 534665072543 - 2¹² = 534665068447 is a prime.

It is a super-2 number, since 2×534665072543² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 534665072491 and 534665072500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534665072593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38190362318 + ... + 38190362331.

It is an arithmetic number, because the mean of its divisors is an integer number (152761449300).

Almost surely, 2^534665072543 is an apocalyptic number.

534665072543 is a deficient number, since it is larger than the sum of its proper divisors (76380724657).

534665072543 is an equidigital number, since it uses as much as digits as its factorization.

534665072543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76380724656.

The product of its (nonzero) digits is 9072000, while the sum is 50.

The spelling of 534665072543 in words is "five hundred thirty-four billion, six hundred sixty-five million, seventy-two thousand, five hundred forty-three".