4889498661 has 10 divisors (see below), whose sum is σ = 7304066022. Its totient is φ = 3259665720.

The previous prime is 4889498651. The next prime is 4889498701. The reversal of 4889498661 is 1668949884.

4889498661 is a `hidden beast` number, since 4 + 8 + 89 + 498 + 6 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4568408100 + 321090561 = 67590^2 + 17919^2 .

It is not a de Polignac number, because 4889498661 - 2¹⁹ = 4888974373 is a prime.

It is a super-3 number, since 3×4889498661³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4889498651) 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 9 ways as a sum of consecutive naturals, for example, 30182010 + ... + 30182171.

Almost surely, 2^4889498661 is an apocalyptic number.

It is an amenable number.

4889498661 is a deficient number, since it is larger than the sum of its proper divisors (2414567361).

4889498661 is an equidigital number, since it uses as much as digits as its factorization.

4889498661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60364193 (or 60364184 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The square root of 4889498661 is about 69924.9502037720. The cubic root of 4889498661 is about 1697.2850159408.

The spelling of 4889498661 in words is "four billion, eight hundred eighty-nine million, four hundred ninety-eight thousand, six hundred sixty-one".