4645550646 has 48 divisors (see below), whose sum is σ = 10997363520. Its totient is φ = 1405566960.

The previous prime is 4645550639. The next prime is 4645550669. The reversal of 4645550646 is 6460555464.

It is a super-2 number, since 2×4645550646² = 43162281609102034632, which contains 22 as substring.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 112681 + ... + 148283.

It is an arithmetic number, because the mean of its divisors is an integer number (229111740).

Almost surely, 2^4645550646 is an apocalyptic number.

4645550646 is an abundant number, since it is smaller than the sum of its proper divisors (6351812874).

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

4645550646 is a wasteful number, since it uses less digits than its factorization.

4645550646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36281 (or 36278 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The square root of 4645550646 is about 68158.2764306727. The cubic root of 4645550646 is about 1668.5750027492.

The spelling of 4645550646 in words is "four billion, six hundred forty-five million, five hundred fifty thousand, six hundred forty-six".