4643959320 has 768 divisors, whose sum is σ = 20756736000. Its totient is φ = 887362560.

The previous prime is 4643959303. The next prime is 4643959337. The reversal of 4643959320 is 239593464.

4643959320 is a `hidden beast` number, since 4 + 6 + 4 + 39 + 593 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (4643959303) and next prime (4643959337).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17657509 + ... + 17657771.

It is an arithmetic number, because the mean of its divisors is an integer number (27027000).

Almost surely, 2^4643959320 is an apocalyptic number.

4643959320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4643959320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10378368000).

4643959320 is an abundant number, since it is smaller than the sum of its proper divisors (16112776680).

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

4643959320 is a wasteful number, since it uses less digits than its factorization.

4643959320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 4643959320 is about 68146.6016760924. The cubic root of 4643959320 is about 1668.3844584177.

The spelling of 4643959320 in words is "four billion, six hundred forty-three million, nine hundred fifty-nine thousand, three hundred twenty".