434203224100421 has 4 divisors (see below), whose sum is σ = 434203459872492. Its totient is φ = 434202988328352.

The previous prime is 434203224100339. The next prime is 434203224100423. The reversal of 434203224100421 is 124001422302434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 418073674922500 + 16129549177921 = 20446850^2 + 4016161^2 .

It is a cyclic number.

It is not a de Polignac number, because 434203224100421 - 2²⁶ = 434203156991557 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 (434203224100423) 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, 115101680 + ... + 118814153.

It is an arithmetic number, because the mean of its divisors is an integer number (108550864968123).

Almost surely, 2^{434203224100421} is an apocalyptic number.

It is an amenable number.

434203224100421 is a deficient number, since it is larger than the sum of its proper divisors (235772071).

434203224100421 is a wasteful number, since it uses less digits than its factorization.

434203224100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235772070.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 434203224100421 its reverse (124001422302434), we get a palindrome (558204646402855).

The spelling of 434203224100421 in words is "four hundred thirty-four trillion, two hundred three billion, two hundred twenty-four million, one hundred thousand, four hundred twenty-one".