4313721984 has 256 divisors, whose sum is σ = 14256466560. Its totient is φ = 1135411200.

The previous prime is 4313721977. The next prime is 4313721989. The reversal of 4313721984 is 4891273134.

It is not an unprimeable number, because it can be changed into a prime (4313721989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 931194 + ... + 935814.

Almost surely, 2^4313721984 is an apocalyptic number.

4313721984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4313721984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7128233280).

4313721984 is an abundant number, since it is smaller than the sum of its proper divisors (9942744576).

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

4313721984 is a wasteful number, since it uses less digits than its factorization.

4313721984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679 (or 4667 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 4313721984 is about 65678.9310509847. The cubic root of 4313721984 is about 1627.8612450084.

The spelling of 4313721984 in words is "four billion, three hundred thirteen million, seven hundred twenty-one thousand, nine hundred eighty-four".