421431330404543 has 8 divisors (see below), whose sum is σ = 422115931879200. Its totient is φ = 420746983013088.

The previous prime is 421431330404509. The next prime is 421431330404599. The reversal of 421431330404543 is 345404033134124.

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 421431330404543 - 2¹² = 421431330400447 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 421431330404543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421431330403543) 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, 60200696 + ... + 66835517.

It is an arithmetic number, because the mean of its divisors is an integer number (52764491484900).

Almost surely, 2^{421431330404543} is an apocalyptic number.

421431330404543 is a deficient number, since it is larger than the sum of its proper divisors (684601474657).

421431330404543 is a wasteful number, since it uses less digits than its factorization.

421431330404543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127041601.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 421431330404543 its reverse (345404033134124), we get a palindrome (766835363538667).

The spelling of 421431330404543 in words is "four hundred twenty-one trillion, four hundred thirty-one billion, three hundred thirty million, four hundred four thousand, five hundred forty-three".