421312432541 has 24 divisors (see below), whose sum is σ = 575779637664. Its totient is φ = 303041904480.

The previous prime is 421312432531. The next prime is 421312432543. The reversal of 421312432541 is 145234213124.

It is not a de Polignac number, because 421312432541 - 2¹⁰ = 421312431517 is a prime.

It is a super-2 number, since 2×421312432541² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421312432498 and 421312432507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421312432543) 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 23 ways as a sum of consecutive naturals, for example, 30056675 + ... + 30070688.

It is an arithmetic number, because the mean of its divisors is an integer number (23990818236).

Almost surely, 2^421312432541 is an apocalyptic number.

It is an amenable number.

421312432541 is a deficient number, since it is larger than the sum of its proper divisors (154467205123).

421312432541 is a wasteful number, since it uses less digits than its factorization.

421312432541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60127401 (or 60127394 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

Adding to 421312432541 its reverse (145234213124), we get a palindrome (566546645665).

The spelling of 421312432541 in words is "four hundred twenty-one billion, three hundred twelve million, four hundred thirty-two thousand, five hundred forty-one".