10004213050521 has 4 divisors (see below), whose sum is σ = 13338950734032. Its totient is φ = 6669475367012.

The previous prime is 10004213050441. The next prime is 10004213050541. The reversal of 10004213050521 is 12505031240001.

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 not a de Polignac number, because 10004213050521 - 2¹⁹ = 10004212526233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10004213050491 and 10004213050500.

It is not an unprimeable number, because it can be changed into a prime (10004213050541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667368841751 + ... + 1667368841756.

It is an arithmetic number, because the mean of its divisors is an integer number (3334737683508).

Almost surely, 2^{10004213050521} is an apocalyptic number.

It is an amenable number.

10004213050521 is a deficient number, since it is larger than the sum of its proper divisors (3334737683511).

10004213050521 is an equidigital number, since it uses as much as digits as its factorization.

10004213050521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334737683510.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 10004213050521 its reverse (12505031240001), we get a palindrome (22509244290522).

The spelling of 10004213050521 in words is "ten trillion, four billion, two hundred thirteen million, fifty thousand, five hundred twenty-one".