424344342421 has 8 divisors (see below), whose sum is σ = 446713351200. Its totient is φ = 401978843280.

The previous prime is 424344342413. The next prime is 424344342439. The reversal of 424344342421 is 124243443424.

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 424344342421 - 2³ = 424344342413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424344322421) 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, 627391 + ... + 1114588.

It is an arithmetic number, because the mean of its divisors is an integer number (55839168900).

Almost surely, 2^424344342421 is an apocalyptic number.

It is an amenable number.

424344342421 is a deficient number, since it is larger than the sum of its proper divisors (22369008779).

424344342421 is a wasteful number, since it uses less digits than its factorization.

424344342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754819.

The product of its digits is 294912, while the sum is 37.

Adding to 424344342421 its reverse (124243443424), we get a palindrome (548587785845).

The spelling of 424344342421 in words is "four hundred twenty-four billion, three hundred forty-four million, three hundred forty-two thousand, four hundred twenty-one".