4665621384 has 96 divisors (see below), whose sum is σ = 13556088000. Its totient is φ = 1501561152.

The previous prime is 4665621377. The next prime is 4665621391. The reversal of 4665621384 is 4831265664.

4665621384 is a `hidden beast` number, since 4 + 6 + 6 + 562 + 1 + 3 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (4665621377) and next prime (4665621391).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14997 + ... + 97755.

It is an arithmetic number, because the mean of its divisors is an integer number (141209250).

Almost surely, 2^4665621384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4665621384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6778044000).

4665621384 is an abundant number, since it is smaller than the sum of its proper divisors (8890466616).

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

4665621384 is a wasteful number, since it uses less digits than its factorization.

4665621384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82809 (or 82793 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 4665621384 is about 68305.3539922018. The cubic root of 4665621384 is about 1670.9745329706.

The spelling of 4665621384 in words is "four billion, six hundred sixty-five million, six hundred twenty-one thousand, three hundred eighty-four".