4720894708644 has 45 divisors (see below), whose sum is σ = 12341453532177. Its totient is φ = 1573618532976.

The previous prime is 4720894708589. The next prime is 4720894708711. The reversal of 4720894708644 is 4468074980274.

The square root of 4720894708644 is 2172762.

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

4720894708644 is a `hidden beast` number, since 4 + 7 + 2 + 0 + 89 + 470 + 86 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1282243699044 + 3438651009600 = 1132362^2 + 1854360^2 .

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 14 ways as a sum of consecutive naturals, for example, 39049362 + ... + 39170070.

Almost surely, 2^{4720894708644} is an apocalyptic number.

4720894708644 is the 2172762-nd square number.

It is an amenable number.

4720894708644 is an abundant number, since it is smaller than the sum of its proper divisors (7620558823533).

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

4720894708644 is an frugal number, since it uses more digits than its factorization.

4720894708644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241434 (or 120714 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 63.

The spelling of 4720894708644 in words is "four trillion, seven hundred twenty billion, eight hundred ninety-four million, seven hundred eight thousand, six hundred forty-four".