4321321004 has 48 divisors (see below), whose sum is σ = 10153602816. Its totient is φ = 1554120000.

The previous prime is 4321320989. The next prime is 4321321051. The reversal of 4321321004 is 4001231234.

It is a super-2 number, since 2×4321321004² = 37347630439223136032, which contains 22 as substring.

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, 535622 + ... + 543629.

It is an arithmetic number, because the mean of its divisors is an integer number (211533392).

Almost surely, 2^4321321004 is an apocalyptic number.

4321321004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4321321004 is an abundant number, since it is smaller than the sum of its proper divisors (5832281812).

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

4321321004 is a wasteful number, since it uses less digits than its factorization.

4321321004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079286 (or 1079284 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4321321004 is about 65736.7553504126. The cubic root of 4321321004 is about 1628.8165602855.

Adding to 4321321004 its reverse (4001231234), we get a palindrome (8322552238).

The spelling of 4321321004 in words is "four billion, three hundred twenty-one million, three hundred twenty-one thousand, four".