4577650534721 has 12 divisors (see below), whose sum is σ = 5081450562132. Its totient is φ = 4120297500000.

The previous prime is 4577650534669. The next prime is 4577650534811. The reversal of 4577650534721 is 1274350567754.

It can be written as a sum of positive squares in 2 ways, for example, as 2645050102321 + 1932600432400 = 1626361^2 + 1390180^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4577650534721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4577650534421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187274030 + ... + 187298471.

It is an arithmetic number, because the mean of its divisors is an integer number (423454213511).

Almost surely, 2^{4577650534721} is an apocalyptic number.

It is an amenable number.

4577650534721 is a deficient number, since it is larger than the sum of its proper divisors (503800027411).

4577650534721 is a wasteful number, since it uses less digits than its factorization.

4577650534721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374572624 (or 374572613 counting only the distinct ones).

The product of its (nonzero) digits is 24696000, while the sum is 56.

The spelling of 4577650534721 in words is "four trillion, five hundred seventy-seven billion, six hundred fifty million, five hundred thirty-four thousand, seven hundred twenty-one".