424420643 has 8 divisors (see below), whose sum is σ = 435331680. Its totient is φ = 413536320.

The previous prime is 424420631. The next prime is 424420649. The reversal of 424420643 is 346024424.

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

It is a cyclic number.

It is not a de Polignac number, because 424420643 - 2²⁰ = 423372067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424420649) 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, 27746 + ... + 40232.

It is an arithmetic number, because the mean of its divisors is an integer number (54416460).

Almost surely, 2^424420643 is an apocalyptic number.

424420643 is a deficient number, since it is larger than the sum of its proper divisors (10911037).

424420643 is a wasteful number, since it uses less digits than its factorization.

424420643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13357.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 424420643 is about 20601.4718648935. The cubic root of 424420643 is about 751.5055051023.

The spelling of 424420643 in words is "four hundred twenty-four million, four hundred twenty thousand, six hundred forty-three".