4959488581 has 4 divisors (see below), whose sum is σ = 4973699500. Its totient is φ = 4945277664.

The previous prime is 4959488561. The next prime is 4959488587. The reversal of 4959488581 is 1858849594.

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 4466248900 + 493239681 = 66830^2 + 22209^2 .

It is a cyclic number.

It is not a de Polignac number, because 4959488581 - 2⁹ = 4959488069 is a prime.

It is a super-2 number, since 2×4959488581² = 49193053970138787122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4959488587) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7104936 + ... + 7105633.

It is an arithmetic number, because the mean of its divisors is an integer number (1243424875).

Almost surely, 2^4959488581 is an apocalyptic number.

It is an amenable number.

4959488581 is a deficient number, since it is larger than the sum of its proper divisors (14210919).

4959488581 is a wasteful number, since it uses less digits than its factorization.

4959488581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14210918.

The product of its digits is 16588800, while the sum is 61.

The square root of 4959488581 is about 70423.6365221223. The cubic root of 4959488581 is about 1705.3451806696.

The spelling of 4959488581 in words is "four billion, nine hundred fifty-nine million, four hundred eighty-eight thousand, five hundred eighty-one".