421373475266 has 8 divisors (see below), whose sum is σ = 632910901824. Its totient is φ = 210403174660.

The previous prime is 421373475241. The next prime is 421373475269. The reversal of 421373475266 is 662574373124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (421373475269) 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 3 ways as a sum of consecutive naturals, for example, 141779630 + ... + 141782601.

It is an arithmetic number, because the mean of its divisors is an integer number (79113862728).

Almost surely, 2^421373475266 is an apocalyptic number.

421373475266 is a deficient number, since it is larger than the sum of its proper divisors (211537426558).

421373475266 is a wasteful number, since it uses less digits than its factorization.

421373475266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283562976.

The product of its digits is 5080320, while the sum is 50.

The spelling of 421373475266 in words is "four hundred twenty-one billion, three hundred seventy-three million, four hundred seventy-five thousand, two hundred sixty-six".