4999825688841 has 9 divisors (see below), whose sum is σ = 7221980128909. Its totient is φ = 3333212653836.

The previous prime is 4999825688833. The next prime is 4999825688867. The reversal of 4999825688841 is 1488865289994.

The square root of 4999825688841 is 2236029.

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

4999825688841 is a `hidden beast` number, since 4 + 9 + 9 + 9 + 8 + 2 + 568 + 8 + 8 + 41 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 4999825688841 - 2³ = 4999825688833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4999825688801) 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 8 ways as a sum of consecutive naturals, for example, 6335416 + ... + 7080758.

Almost surely, 2^{4999825688841} is an apocalyptic number.

4999825688841 is the 2236029-th square number.

4999825688841 is the 1118015-th centered octagonal number.

It is an amenable number.

4999825688841 is a deficient number, since it is larger than the sum of its proper divisors (2222154440068).

4999825688841 is an frugal number, since it uses more digits than its factorization.

4999825688841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490692 (or 745346 counting only the distinct ones).

The product of its digits is 2866544640, while the sum is 81.

Multiplying 4999825688841 by its sum of digits (81), we get a square (404985880796121 = 20124261²).

The spelling of 4999825688841 in words is "four trillion, nine hundred ninety-nine billion, eight hundred twenty-five million, six hundred eighty-eight thousand, eight hundred forty-one".