4985630881 has 45 divisors (see below), whose sum is σ = 6442213169. Its totient is φ = 3855251400.

The previous prime is 4985630861. The next prime is 4985630911. The reversal of 4985630881 is 1880365894.

The square root of 4985630881 is 70609.

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

It is not a de Polignac number, because 4985630881 - 2¹⁷ = 4985499809 is a prime.

It is a super-2 number, since 2×4985630881² = 49713030563161672322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4985630801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 38058186 + ... + 38058316.

Almost surely, 2^4985630881 is an apocalyptic number.

4985630881 is the 70609-th square number.

4985630881 is the 35305-th centered octagonal number.

It is an amenable number.

4985630881 is a deficient number, since it is larger than the sum of its proper divisors (1456582288).

4985630881 is an frugal number, since it uses more digits than its factorization.

4985630881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The cubic root of 4985630881 is about 1708.3363184803.

The spelling of 4985630881 in words is "four billion, nine hundred eighty-five million, six hundred thirty thousand, eight hundred eighty-one".