4645645543 has 16 divisors (see below), whose sum is σ = 5828880384. Its totient is φ = 3596916960.

The previous prime is 4645645453. The next prime is 4645645553. The reversal of 4645645543 is 3455465464.

It is not a de Polignac number, because 4645645543 - 2²¹ = 4643548391 is a prime.

It is a super-2 number, since 2×4645645543² = 43164045022391529698, 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 = 4645645493 and 4645645502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645645553) 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 15 ways as a sum of consecutive naturals, for example, 180055 + ... + 204232.

It is an arithmetic number, because the mean of its divisors is an integer number (364305024).

Almost surely, 2^4645645543 is an apocalyptic number.

4645645543 is a deficient number, since it is larger than the sum of its proper divisors (1183234841).

4645645543 is a wasteful number, since it uses less digits than its factorization.

4645645543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384462.

The product of its digits is 3456000, while the sum is 46.

The square root of 4645645543 is about 68158.9725788175. The cubic root of 4645645543 is about 1668.5863642788.

The spelling of 4645645543 in words is "four billion, six hundred forty-five million, six hundred forty-five thousand, five hundred forty-three".