421632000043 has 8 divisors (see below), whose sum is σ = 446388613200. Its totient is φ = 397131932448.

The previous prime is 421632000019. The next prime is 421632000089. The reversal of 421632000043 is 340000236124.

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 421632000043 - 2⁹ = 421631999531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421631999981 and 421632000017.

It is not an unprimeable number, because it can be changed into a prime (421632000343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64133008 + ... + 64139581.

It is an arithmetic number, because the mean of its divisors is an integer number (55798576650).

Almost surely, 2^421632000043 is an apocalyptic number.

421632000043 is a deficient number, since it is larger than the sum of its proper divisors (24756613157).

421632000043 is a wasteful number, since it uses less digits than its factorization.

421632000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128272781.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 421632000043 its reverse (340000236124), we get a palindrome (761632236167).

The spelling of 421632000043 in words is "four hundred twenty-one billion, six hundred thirty-two million, forty-three", and thus it is an aban number.