424771489 has 4 divisors (see below), whose sum is σ = 428741424. Its totient is φ = 420801556.

The previous prime is 424771483. The next prime is 424771493. The reversal of 424771489 is 984177424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424771489 - 2⁹ = 424770977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424771483) 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, 1984807 + ... + 1985020.

It is an arithmetic number, because the mean of its divisors is an integer number (107185356).

Almost surely, 2^424771489 is an apocalyptic number.

It is an amenable number.

424771489 is a deficient number, since it is larger than the sum of its proper divisors (3969935).

424771489 is a wasteful number, since it uses less digits than its factorization.

424771489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969934.

The product of its digits is 451584, while the sum is 46.

The square root of 424771489 is about 20609.9851770932. The cubic root of 424771489 is about 751.7125246289.

The spelling of 424771489 in words is "four hundred twenty-four million, seven hundred seventy-one thousand, four hundred eighty-nine".