4612576631481 has 81 divisors (see below), whose sum is σ = 8393494421871. Its totient is φ = 2432698186464.

The previous prime is 4612576631437. The next prime is 4612576631521. The reversal of 4612576631481 is 1841366752164.

The square root of 4612576631481 is 2147691.

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

4612576631481 is a `hidden beast` number, since 4 + 6 + 1 + 2 + 576 + 63 + 1 + 4 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 682333821225 + 3930242810256 = 826035^2 + 1982484^2 .

It is not a de Polignac number, because 4612576631481 - 2⁷ = 4612576631353 is a prime.

It is a super-2 number, since 2×4612576631481² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4612576631281) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 586315710 + ... + 586323576.

Almost surely, 2^{4612576631481} is an apocalyptic number.

4612576631481 is the 2147691-st square number.

4612576631481 is the 1073846-th centered octagonal number.

It is an amenable number.

4612576631481 is a deficient number, since it is larger than the sum of its proper divisors (3780917790390).

4612576631481 is an frugal number, since it uses more digits than its factorization.

4612576631481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15780 (or 7890 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 4612576631481 in words is "four trillion, six hundred twelve billion, five hundred seventy-six million, six hundred thirty-one thousand, four hundred eighty-one".