4644889204772 has 24 divisors (see below), whose sum is σ = 8409620888760. Its totient is φ = 2242155041280.

The previous prime is 4644889204759. The next prime is 4644889204793. The reversal of 4644889204772 is 2774029884464.

It can be written as a sum of positive squares in 4 ways, for example, as 635059172836 + 4009830031936 = 796906^2 + 2002456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4644889204699 and 4644889204708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556229 + ... + 3098252.

It is an arithmetic number, because the mean of its divisors is an integer number (350400870365).

Almost surely, 2^{4644889204772} is an apocalyptic number.

It is an amenable number.

4644889204772 is a deficient number, since it is larger than the sum of its proper divisors (3764731683988).

4644889204772 is a wasteful number, since it uses less digits than its factorization.

4644889204772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665471 (or 3665469 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 65.

The spelling of 4644889204772 in words is "four trillion, six hundred forty-four billion, eight hundred eighty-nine million, two hundred four thousand, seven hundred seventy-two".