419520243 has 8 divisors (see below), whose sum is σ = 563765248. Its totient is φ = 277477704.

The previous prime is 419520239. The next prime is 419520259. The reversal of 419520243 is 342025914.

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

It is not a de Polignac number, because 419520243 - 2² = 419520239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 419520243.

It is not an unprimeable number, because it can be changed into a prime (419521243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550171 + ... + 550932.

It is an arithmetic number, because the mean of its divisors is an integer number (70470656).

Almost surely, 2^419520243 is an apocalyptic number.

419520243 is a deficient number, since it is larger than the sum of its proper divisors (144245005).

419520243 is a wasteful number, since it uses less digits than its factorization.

419520243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101233.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 419520243 is about 20482.1933151701. The cubic root of 419520243 is about 748.6019841325.

The spelling of 419520243 in words is "four hundred nineteen million, five hundred twenty thousand, two hundred forty-three".