4649931980 has 24 divisors (see below), whose sum is σ = 9779394912. Its totient is φ = 1857203712.

The previous prime is 4649931967. The next prime is 4649932019. The reversal of 4649931980 is 891399464.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 159272 + ... + 186191.

It is an arithmetic number, because the mean of its divisors is an integer number (407474788).

Almost surely, 2^4649931980 is an apocalyptic number.

It is an amenable number.

4649931980 is an abundant number, since it is smaller than the sum of its proper divisors (5129462932).

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

4649931980 is a wasteful number, since it uses less digits than its factorization.

4649931980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346145 (or 346143 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 4649931980 is about 68190.4097362672. The cubic root of 4649931980 is about 1669.0993960800.

The spelling of 4649931980 in words is "four billion, six hundred forty-nine million, nine hundred thirty-one thousand, nine hundred eighty".