4534515643 has 4 divisors (see below), whose sum is σ = 5182303600. Its totient is φ = 3886727688.

The previous prime is 4534515637. The next prime is 4534515683. The reversal of 4534515643 is 3465154354.

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 4534515643 - 2⁵ = 4534515611 is a prime.

It is a super-2 number, since 2×4534515643² = 41123664233223406898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4534515596 and 4534515605.

It is not an unprimeable number, because it can be changed into a prime (4534515683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323893968 + ... + 323893981.

It is an arithmetic number, because the mean of its divisors is an integer number (1295575900).

Almost surely, 2^4534515643 is an apocalyptic number.

4534515643 is a deficient number, since it is larger than the sum of its proper divisors (647787957).

4534515643 is an equidigital number, since it uses as much as digits as its factorization.

4534515643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647787956.

The product of its digits is 432000, while the sum is 40.

The square root of 4534515643 is about 67338.8123076135. The cubic root of 4534515643 is about 1655.1739205023.

Adding to 4534515643 its reverse (3465154354), we get a palindrome (7999669997).

The spelling of 4534515643 in words is "four billion, five hundred thirty-four million, five hundred fifteen thousand, six hundred forty-three".