421414193 has 4 divisors (see below), whose sum is σ = 421503588. Its totient is φ = 421324800.

The previous prime is 421414163. The next prime is 421414229. The reversal of 421414193 is 391414124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67108864 + 354305329 = 8192^2 + 18823^2 .

It is a cyclic number.

It is not a de Polignac number, because 421414193 - 2¹⁶ = 421348657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421414163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37208 + ... + 47193.

It is an arithmetic number, because the mean of its divisors is an integer number (105375897).

Almost surely, 2^421414193 is an apocalyptic number.

It is an amenable number.

421414193 is a deficient number, since it is larger than the sum of its proper divisors (89395).

421414193 is an equidigital number, since it uses as much as digits as its factorization.

421414193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89394.

The product of its digits is 3456, while the sum is 29.

The square root of 421414193 is about 20528.3753132098. The cubic root of 421414193 is about 749.7268297012.

The spelling of 421414193 in words is "four hundred twenty-one million, four hundred fourteen thousand, one hundred ninety-three".