4645550645 has 16 divisors (see below), whose sum is σ = 5924553840. Its totient is φ = 3484806144.

The previous prime is 4645550639. The next prime is 4645550669. The reversal of 4645550645 is 5460555464.

It can be written as a sum of positive squares in 8 ways, for example, as 27804529 + 4617746116 = 5273^2 + 67954^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645550645 - 2¹⁰ = 4645549621 is a prime.

It is a super-2 number, since 2×4645550645² = 43162281590519832050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4645550596 and 4645550605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78722 + ... + 124451.

It is an arithmetic number, because the mean of its divisors is an integer number (370284615).

Almost surely, 2^4645550645 is an apocalyptic number.

It is an amenable number.

4645550645 is a deficient number, since it is larger than the sum of its proper divisors (1279003195).

4645550645 is a wasteful number, since it uses less digits than its factorization.

4645550645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203464.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The square root of 4645550645 is about 68158.2764233369. The cubic root of 4645550645 is about 1668.5750026295.

The spelling of 4645550645 in words is "four billion, six hundred forty-five million, five hundred fifty thousand, six hundred forty-five".