4609323664 has 45 divisors (see below), whose sum is σ = 9822606339. Its totient is φ = 2093789280.

The previous prime is 4609323659. The next prime is 4609323703. The reversal of 4609323664 is 4663239064.

The square root of 4609323664 is 67892.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4609323664.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2986477 + ... + 2988019.

Almost surely, 2^4609323664 is an apocalyptic number.

4609323664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

4609323664 is the 67892-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4609323664

4609323664 is an abundant number, since it is smaller than the sum of its proper divisors (5213282675).

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

4609323664 is an equidigital number, since it uses as much as digits as its factorization.

4609323664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 43.

The cubic root of 4609323664 is about 1664.2263795342.

The spelling of 4609323664 in words is "four billion, six hundred nine million, three hundred twenty-three thousand, six hundred sixty-four".