4810481009581 has 4 divisors (see below), whose sum is σ = 5180518010332. Its totient is φ = 4440444008832.

The previous prime is 4810481009561. The next prime is 4810481009599. The reversal of 4810481009581 is 1859001840184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3062622501225 + 1747858508356 = 1750035^2 + 1322066^2 .

It is not a de Polignac number, because 4810481009581 - 2¹⁵ = 4810480976813 is a prime.

It is a super-3 number, since 3×4810481009581³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4810481009561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185018500356 + ... + 185018500381.

It is an arithmetic number, because the mean of its divisors is an integer number (1295129502583).

Almost surely, 2^{4810481009581} is an apocalyptic number.

It is an amenable number.

4810481009581 is a deficient number, since it is larger than the sum of its proper divisors (370037000751).

4810481009581 is a wasteful number, since it uses less digits than its factorization.

4810481009581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370037000750.

The product of its (nonzero) digits is 368640, while the sum is 49.

The spelling of 4810481009581 in words is "four trillion, eight hundred ten billion, four hundred eighty-one million, nine thousand, five hundred eighty-one".