421420355325443 has 8 divisors (see below), whose sum is σ = 423413405184000. Its totient is φ = 419428227543048.

The previous prime is 421420355325427. The next prime is 421420355325521. The reversal of 421420355325443 is 344523553024124.

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 421420355325443 - 2⁴ = 421420355325427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421420355327443) 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, 229602803 + ... + 231430956.

It is an arithmetic number, because the mean of its divisors is an integer number (52926675648000).

Almost surely, 2^{421420355325443} is an apocalyptic number.

421420355325443 is a deficient number, since it is larger than the sum of its proper divisors (1993049858557).

421420355325443 is a wasteful number, since it uses less digits than its factorization.

421420355325443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461038081.

The product of its (nonzero) digits is 6912000, while the sum is 47.

The spelling of 421420355325443 in words is "four hundred twenty-one trillion, four hundred twenty billion, three hundred fifty-five million, three hundred twenty-five thousand, four hundred forty-three".