1004300000021 has 4 divisors (see below), whose sum is σ = 1004303208000. Its totient is φ = 1004296792044.

The previous prime is 1004299999961. The next prime is 1004300000023. The reversal of 1004300000021 is 1200000034001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004300000021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004299999948 and 1004300000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004300000023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076591 + ... + 1779788.

It is an arithmetic number, because the mean of its divisors is an integer number (251075802000).

Almost surely, 2^{1004300000021} is an apocalyptic number.

It is an amenable number.

1004300000021 is a deficient number, since it is larger than the sum of its proper divisors (3207979).

1004300000021 is an equidigital number, since it uses as much as digits as its factorization.

1004300000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207978.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1004300000021 its reverse (1200000034001), we get a palindrome (2204300034022).

The spelling of 1004300000021 in words is "one trillion, four billion, three hundred million, twenty-one", and thus it is an aban number.