204414142421 has 8 divisors (see below), whose sum is σ = 206555725824. Its totient is φ = 202273257600.

The previous prime is 204414142417. The next prime is 204414142433. The reversal of 204414142421 is 124241414402.

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 204414142421 - 2² = 204414142417 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 (204414142411) 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, 424346 + ... + 767396.

It is an arithmetic number, because the mean of its divisors is an integer number (25819465728).

Almost surely, 2^204414142421 is an apocalyptic number.

It is an amenable number.

204414142421 is a deficient number, since it is larger than the sum of its proper divisors (2141583403).

204414142421 is an equidigital number, since it uses as much as digits as its factorization.

204414142421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349291.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 204414142421 its reverse (124241414402), we get a palindrome (328655556823).

The spelling of 204414142421 in words is "two hundred four billion, four hundred fourteen million, one hundred forty-two thousand, four hundred twenty-one".