421235461075 has 48 divisors (see below), whose sum is σ = 645946156800. Its totient is φ = 267903849600.

The previous prime is 421235461069. The next prime is 421235461099. The reversal of 421235461075 is 570164532124.

It is not a de Polignac number, because 421235461075 - 2⁹ = 421235460563 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3032815 + ... + 3168664.

It is an arithmetic number, because the mean of its divisors is an integer number (13457211600).

Almost surely, 2^421235461075 is an apocalyptic number.

421235461075 is a deficient number, since it is larger than the sum of its proper divisors (224710695725).

421235461075 is a wasteful number, since it uses less digits than its factorization.

421235461075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6201532 (or 6201527 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 421235461075 its reverse (570164532124), we get a palindrome (991399993199).

The spelling of 421235461075 in words is "four hundred twenty-one billion, two hundred thirty-five million, four hundred sixty-one thousand, seventy-five".