5071721924 has 12 divisors (see below), whose sum is σ = 8878434348. Its totient is φ = 2535026400.

The previous prime is 5071721917. The next prime is 5071721929. The reversal of 5071721924 is 4291271705.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2705872324 + 2365849600 = 52018^2 + 48640^2 .

It is not an unprimeable number, because it can be changed into a prime (5071721929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194867 + ... + 219354.

It is an arithmetic number, because the mean of its divisors is an integer number (739869529).

Almost surely, 2^5071721924 is an apocalyptic number.

It is an amenable number.

5071721924 is a deficient number, since it is larger than the sum of its proper divisors (3806712424).

5071721924 is a wasteful number, since it uses less digits than its factorization.

5071721924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417286 (or 417284 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 5071721924 is about 71216.0229442785. The cubic root of 5071721924 is about 1718.1133454880.

The spelling of 5071721924 in words is "five billion, seventy-one million, seven hundred twenty-one thousand, nine hundred twenty-four".