434353226421 has 16 divisors (see below), whose sum is σ = 582142386240. Its totient is φ = 288069598080.

The previous prime is 434353226317. The next prime is 434353226473. The reversal of 434353226421 is 124622353434.

It is not a de Polignac number, because 434353226421 - 2¹⁷ = 434353095349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434353226421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434353222421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157161 + ... + 945201.

It is an arithmetic number, because the mean of its divisors is an integer number (36383899140).

Almost surely, 2^434353226421 is an apocalyptic number.

It is an amenable number.

434353226421 is a deficient number, since it is larger than the sum of its proper divisors (147789159819).

434353226421 is a wasteful number, since it uses less digits than its factorization.

434353226421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788996.

The product of its digits is 414720, while the sum is 39.

Adding to 434353226421 its reverse (124622353434), we get a palindrome (558975579855).

The spelling of 434353226421 in words is "four hundred thirty-four billion, three hundred fifty-three million, two hundred twenty-six thousand, four hundred twenty-one".