10330004021 has 2 divisors, whose sum is σ = 10330004022. Its totient is φ = 10330004020.

The previous prime is 10330003991. The next prime is 10330004057. The reversal of 10330004021 is 12040003301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10007801521 + 322202500 = 100039^2 + 17950^2 .

It is a cyclic number.

It is not a de Polignac number, because 10330004021 - 2¹⁰ = 10330002997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10330003987 and 10330004005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10330004521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5165002010 + 5165002011.

It is an arithmetic number, because the mean of its divisors is an integer number (5165002011).

Almost surely, 2^10330004021 is an apocalyptic number.

It is an amenable number.

10330004021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10330004021 is an equidigital number, since it uses as much as digits as its factorization.

10330004021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10330004021 its reverse (12040003301), we get a palindrome (22370007322).

The spelling of 10330004021 in words is "ten billion, three hundred thirty million, four thousand, twenty-one".