421141203433 has 4 divisors (see below), whose sum is σ = 421465908820. Its totient is φ = 420816498048.

The previous prime is 421141203421. The next prime is 421141203437. The reversal of 421141203433 is 334302141124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 419441455449 + 1699747984 = 647643^2 + 41228^2 .

It is a cyclic number.

It is not a de Polignac number, because 421141203433 - 2²⁹ = 420604332521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421141203437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162350748 + ... + 162353341.

It is an arithmetic number, because the mean of its divisors is an integer number (105366477205).

Almost surely, 2^421141203433 is an apocalyptic number.

It is an amenable number.

421141203433 is a deficient number, since it is larger than the sum of its proper divisors (324705387).

421141203433 is a wasteful number, since it uses less digits than its factorization.

421141203433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324705386.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 421141203433 its reverse (334302141124), we get a palindrome (755443344557).

The spelling of 421141203433 in words is "four hundred twenty-one billion, one hundred forty-one million, two hundred three thousand, four hundred thirty-three".