10004343021 has 8 divisors (see below), whose sum is σ = 14821248960. Its totient is φ = 6669561996.

The previous prime is 10004343007. The next prime is 10004343043. The reversal of 10004343021 is 12034340001.

It is not a de Polignac number, because 10004343021 - 2⁷ = 10004342893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10004342985 and 10004343003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10004341021) 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, 185265585 + ... + 185265638.

It is an arithmetic number, because the mean of its divisors is an integer number (1852656120).

Almost surely, 2^10004343021 is an apocalyptic number.

It is an amenable number.

10004343021 is a deficient number, since it is larger than the sum of its proper divisors (4816905939).

10004343021 is an equidigital number, since it uses as much as digits as its factorization.

10004343021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370531232 (or 370531226 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10004343021 its reverse (12034340001), we get a palindrome (22038683022).

The spelling of 10004343021 in words is "ten billion, four million, three hundred forty-three thousand, twenty-one".