424164243 has 4 divisors (see below), whose sum is σ = 565552328. Its totient is φ = 282776160.

The previous prime is 424164241. The next prime is 424164259. The reversal of 424164243 is 342461424.

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

It is not a de Polignac number, because 424164243 - 2¹ = 424164241 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 424164243.

It is not an unprimeable number, because it can be changed into a prime (424164241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70694038 + ... + 70694043.

It is an arithmetic number, because the mean of its divisors is an integer number (141388082).

Almost surely, 2^424164243 is an apocalyptic number.

424164243 is a deficient number, since it is larger than the sum of its proper divisors (141388085).

424164243 is a wasteful number, since it uses less digits than its factorization.

424164243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141388084.

The product of its digits is 18432, while the sum is 30.

The square root of 424164243 is about 20595.2480684259. The cubic root of 424164243 is about 751.3541420388.

The spelling of 424164243 in words is "four hundred twenty-four million, one hundred sixty-four thousand, two hundred forty-three".