434103214221 has 20 divisors (see below), whose sum is σ = 669393729664. Its totient is φ = 280066588200.

The previous prime is 434103214219. The next prime is 434103214243. The reversal of 434103214221 is 122412301434.

434103214221 is a `hidden beast` number, since 4 + 3 + 410 + 3 + 21 + 4 + 221 = 666.

It is not a de Polignac number, because 434103214221 - 2¹ = 434103214219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434103214201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 86437795 + ... + 86442816.

Almost surely, 2^434103214221 is an apocalyptic number.

It is an amenable number.

434103214221 is a deficient number, since it is larger than the sum of its proper divisors (235290515443).

434103214221 is a wasteful number, since it uses less digits than its factorization.

434103214221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172880654 (or 172880645 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 434103214221 its reverse (122412301434), we get a palindrome (556515515655).

The spelling of 434103214221 in words is "four hundred thirty-four billion, one hundred three million, two hundred fourteen thousand, two hundred twenty-one".