5721648972 has 48 divisors (see below), whose sum is σ = 14711854080. Its totient is φ = 1719563328.

The previous prime is 5721648967. The next prime is 5721649051. The reversal of 5721648972 is 2798461275.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419772 + ... + 433187.

It is an arithmetic number, because the mean of its divisors is an integer number (306496960).

Almost surely, 2^5721648972 is an apocalyptic number.

5721648972 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5721648972 is an abundant number, since it is smaller than the sum of its proper divisors (8990205108).

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

5721648972 is a wasteful number, since it uses less digits than its factorization.

5721648972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853022 (or 853020 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 5721648972 is about 75641.5822943968. The cubic root of 5721648972 is about 1788.5746455077.

The spelling of 5721648972 in words is "five billion, seven hundred twenty-one million, six hundred forty-eight thousand, nine hundred seventy-two".