427409443 has 4 divisors (see below), whose sum is σ = 427456440. Its totient is φ = 427362448.

The previous prime is 427409429. The next prime is 427409473. The reversal of 427409443 is 344904724.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427409443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427409473) 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, 5005 + ... + 29662.

It is an arithmetic number, because the mean of its divisors is an integer number (106864110).

Almost surely, 2^427409443 is an apocalyptic number.

427409443 is a deficient number, since it is larger than the sum of its proper divisors (46997).

427409443 is a wasteful number, since it uses less digits than its factorization.

427409443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46996.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 427409443 is about 20673.8831137259. The cubic root of 427409443 is about 753.2654318982.

The spelling of 427409443 in words is "four hundred twenty-seven million, four hundred nine thousand, four hundred forty-three".