421044020133 has 8 divisors (see below), whose sum is σ = 612427665696. Its totient is φ = 255178194000.

The previous prime is 421044020081. The next prime is 421044020167. The reversal of 421044020133 is 331020440124.

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

It is not a de Polignac number, because 421044020133 - 2⁶ = 421044020069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421044020183) 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 7 ways as a sum of consecutive naturals, for example, 6379454818 + ... + 6379454883.

It is an arithmetic number, because the mean of its divisors is an integer number (76553458212).

Almost surely, 2^421044020133 is an apocalyptic number.

It is an amenable number.

421044020133 is a deficient number, since it is larger than the sum of its proper divisors (191383645563).

421044020133 is a wasteful number, since it uses less digits than its factorization.

421044020133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12758909715.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 421044020133 its reverse (331020440124), we get a palindrome (752064460257).

The spelling of 421044020133 in words is "four hundred twenty-one billion, forty-four million, twenty thousand, one hundred thirty-three".