1004430421321 has 8 divisors (see below), whose sum is σ = 1011684803360. Its totient is φ = 997176443328.

The previous prime is 1004430421277. The next prime is 1004430421331. The reversal of 1004430421321 is 1231240344001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1004430421321 - 2³⁹ = 454674607433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004430421331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6386785 + ... + 6542161.

It is an arithmetic number, because the mean of its divisors is an integer number (126460600420).

Almost surely, 2^{1004430421321} is an apocalyptic number.

It is an amenable number.

1004430421321 is a deficient number, since it is larger than the sum of its proper divisors (7254382039).

1004430421321 is a wasteful number, since it uses less digits than its factorization.

1004430421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202023.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1004430421321 its reverse (1231240344001), we get a palindrome (2235670765322).

The spelling of 1004430421321 in words is "one trillion, four billion, four hundred thirty million, four hundred twenty-one thousand, three hundred twenty-one".