421203132433 has 8 divisors (see below), whose sum is σ = 465370213248. Its totient is φ = 379190543424.

The previous prime is 421203132407. The next prime is 421203132527. The reversal of 421203132433 is 334231302124.

It is a happy number.

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 421203132433 - 2⁵ = 421203132401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421203132533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538622541 + ... + 538623322.

It is an arithmetic number, because the mean of its divisors is an integer number (58171276656).

Almost surely, 2^421203132433 is an apocalyptic number.

It is an amenable number.

421203132433 is a deficient number, since it is larger than the sum of its proper divisors (44167080815).

421203132433 is a wasteful number, since it uses less digits than its factorization.

421203132433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077245903.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 421203132433 its reverse (334231302124), we get a palindrome (755434434557).

The spelling of 421203132433 in words is "four hundred twenty-one billion, two hundred three million, one hundred thirty-two thousand, four hundred thirty-three".