421064413 has 32 divisors (see below), whose sum is σ = 544481280. Its totient is φ = 316008000.

The previous prime is 421064411. The next prime is 421064417. The reversal of 421064413 is 314460124.

It is not a de Polignac number, because 421064413 - 2¹ = 421064411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421064411) 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 31 ways as a sum of consecutive naturals, for example, 999943 + ... + 1000363.

It is an arithmetic number, because the mean of its divisors is an integer number (17015040).

Almost surely, 2^421064413 is an apocalyptic number.

It is an amenable number.

421064413 is a deficient number, since it is larger than the sum of its proper divisors (123416867).

421064413 is a wasteful number, since it uses less digits than its factorization.

421064413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 421064413 is about 20519.8541174152. The cubic root of 421064413 is about 749.5193441739.

The spelling of 421064413 in words is "four hundred twenty-one million, sixty-four thousand, four hundred thirteen".