421303534351 has 64 divisors (see below), whose sum is σ = 524224512000. Its totient is φ = 330623669376.

The previous prime is 421303534343. The next prime is 421303534369. The reversal of 421303534351 is 153435303124.

It is not a de Polignac number, because 421303534351 - 2³ = 421303534343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421303534391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110200426 + ... + 110204248.

It is an arithmetic number, because the mean of its divisors is an integer number (8191008000).

Almost surely, 2^421303534351 is an apocalyptic number.

421303534351 is a deficient number, since it is larger than the sum of its proper divisors (102920977649).

421303534351 is a wasteful number, since it uses less digits than its factorization.

421303534351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 421303534351 its reverse (153435303124), we get a palindrome (574738837475).

The spelling of 421303534351 in words is "four hundred twenty-one billion, three hundred three million, five hundred thirty-four thousand, three hundred fifty-one".