4931715920 has 20 divisors (see below), whose sum is σ = 11466239700. Its totient is φ = 1972686336.

The previous prime is 4931715907. The next prime is 4931715923. The reversal of 4931715920 is 295171394.

It can be written as a sum of positive squares in 2 ways, for example, as 1223880256 + 3707835664 = 34984^2 + 60892^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4931715923) 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 3 ways as a sum of consecutive naturals, for example, 30823145 + ... + 30823304.

It is an arithmetic number, because the mean of its divisors is an integer number (573311985).

Almost surely, 2^4931715920 is an apocalyptic number.

4931715920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4931715920 is an abundant number, since it is smaller than the sum of its proper divisors (6534523780).

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

4931715920 is a wasteful number, since it uses less digits than its factorization.

4931715920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61646462 (or 61646456 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 4931715920 is about 70226.1768858308. The cubic root of 4931715920 is about 1702.1559635832.

The spelling of 4931715920 in words is "four billion, nine hundred thirty-one million, seven hundred fifteen thousand, nine hundred twenty".