204013241043421 has 8 divisors (see below), whose sum is σ = 208405103405184. Its totient is φ = 199623510144480.

The previous prime is 204013241043397. The next prime is 204013241043433. The reversal of 204013241043421 is 124340142310402.

It is a happy number.

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 204013241043421 - 2⁵ = 204013241043389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204013241044421) 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, 532672215 + ... + 533055076.

It is an arithmetic number, because the mean of its divisors is an integer number (26050637925648).

Almost surely, 2^{204013241043421} is an apocalyptic number.

It is an amenable number.

204013241043421 is a deficient number, since it is larger than the sum of its proper divisors (4391862361763).

204013241043421 is a wasteful number, since it uses less digits than its factorization.

204013241043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065731411.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 204013241043421 its reverse (124340142310402), we get a palindrome (328353383353823).

The spelling of 204013241043421 in words is "two hundred four trillion, thirteen billion, two hundred forty-one million, forty-three thousand, four hundred twenty-one".