421546568875 has 8 divisors (see below), whose sum is σ = 526090118112. Its totient is φ = 337237255000.

The previous prime is 421546568869. The next prime is 421546568879. The reversal of 421546568875 is 578865645124.

It is not a de Polignac number, because 421546568875 - 2³ = 421546568867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421546568879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686186151 + ... + 1686186400.

It is an arithmetic number, because the mean of its divisors is an integer number (65761264764).

Almost surely, 2^421546568875 is an apocalyptic number.

421546568875 is a deficient number, since it is larger than the sum of its proper divisors (104543549237).

421546568875 is an equidigital number, since it uses as much as digits as its factorization.

421546568875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372372566 (or 3372372556 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 61.

The spelling of 421546568875 in words is "four hundred twenty-one billion, five hundred forty-six million, five hundred sixty-eight thousand, eight hundred seventy-five".