424666243 has 4 divisors (see below), whose sum is σ = 425758320. Its totient is φ = 423574168.

The previous prime is 424666217. The next prime is 424666271. The reversal of 424666243 is 342666424.

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

It is a cyclic number.

It is not a de Polignac number, because 424666243 - 2¹³ = 424658051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424666213) 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, 545455 + ... + 546232.

It is an arithmetic number, because the mean of its divisors is an integer number (106439580).

Almost surely, 2^424666243 is an apocalyptic number.

424666243 is a deficient number, since it is larger than the sum of its proper divisors (1092077).

424666243 is a wasteful number, since it uses less digits than its factorization.

424666243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092076.

The product of its digits is 165888, while the sum is 37.

The square root of 424666243 is about 20607.4317419711. The cubic root of 424666243 is about 751.6504353460.

The spelling of 424666243 in words is "four hundred twenty-four million, six hundred sixty-six thousand, two hundred forty-three".