4889666525 has 24 divisors (see below), whose sum is σ = 6233883744. Its totient is φ = 3802478400.

The previous prime is 4889666503. The next prime is 4889666543. The reversal of 4889666525 is 5256669884.

It is not a de Polignac number, because 4889666525 - 2⁶ = 4889666461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216047 + ... + 237603.

It is an arithmetic number, because the mean of its divisors is an integer number (259745156).

Almost surely, 2^4889666525 is an apocalyptic number.

It is an amenable number.

4889666525 is a deficient number, since it is larger than the sum of its proper divisors (1344217219).

4889666525 is a wasteful number, since it uses less digits than its factorization.

4889666525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21821 (or 21816 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 59.

The square root of 4889666525 is about 69926.1505089477. The cubic root of 4889666525 is about 1697.3044391858.

The spelling of 4889666525 in words is "four billion, eight hundred eighty-nine million, six hundred sixty-six thousand, five hundred twenty-five".