4645643622 has 16 divisors (see below), whose sum is σ = 9292084032. Its totient is φ = 1548415080.

The previous prime is 4645643591. The next prime is 4645643623. The reversal of 4645643622 is 2263465464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645643623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64893 + ... + 116199.

It is an arithmetic number, because the mean of its divisors is an integer number (580755252).

Almost surely, 2^4645643622 is an apocalyptic number.

4645643622 is an abundant number, since it is smaller than the sum of its proper divisors (4646440410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4645643622 is a wasteful number, since it uses less digits than its factorization.

4645643622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66403.

The product of its digits is 829440, while the sum is 42.

The square root of 4645643622 is about 68158.9584867609. The cubic root of 4645643622 is about 1668.5861342889.

The spelling of 4645643622 in words is "four billion, six hundred forty-five million, six hundred forty-three thousand, six hundred twenty-two".