421043354202 has 8 divisors (see below), whose sum is σ = 842086708416. Its totient is φ = 140347784732.

The previous prime is 421043354153. The next prime is 421043354231. The reversal of 421043354202 is 202453340124.

It is a sphenic number, since it is the product of 3 distinct primes.

421043354202 is an admirable number.

It is a super-2 number, since 2×421043354202² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 421043354202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35086946178 + ... + 35086946189.

It is an arithmetic number, because the mean of its divisors is an integer number (105260838552).

Almost surely, 2^421043354202 is an apocalyptic number.

421043354202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421043354202 is a wasteful number, since it uses less digits than its factorization.

421043354202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70173892372.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 421043354202 its reverse (202453340124), we get a palindrome (623496694326).

The spelling of 421043354202 in words is "four hundred twenty-one billion, forty-three million, three hundred fifty-four thousand, two hundred two".