4981636512 has 96 divisors (see below), whose sum is σ = 14998556160. Its totient is φ = 1606970880.

The previous prime is 4981636441. The next prime is 4981636519. The reversal of 4981636512 is 2156361894.

4981636512 is a `hidden beast` number, since 4 + 9 + 8 + 1 + 636 + 5 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×4981636512² = 49633404675383052288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4981636519) 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 15 ways as a sum of consecutive naturals, for example, 66213 + ... + 119780.

It is an arithmetic number, because the mean of its divisors is an integer number (156234960).

Almost surely, 2^4981636512 is an apocalyptic number.

It is an amenable number.

4981636512 is an abundant number, since it is smaller than the sum of its proper divisors (10016919648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4981636512 is a wasteful number, since it uses less digits than its factorization.

4981636512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186043 (or 186029 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 4981636512 is about 70580.7092058446. The cubic root of 4981636512 is about 1707.8799704312.

The spelling of 4981636512 in words is "four billion, nine hundred eighty-one million, six hundred thirty-six thousand, five hundred twelve".