4201433434021 has 4 divisors (see below), whose sum is σ = 4203384868332. Its totient is φ = 4199481999712.

The previous prime is 4201433433983. The next prime is 4201433434091. The reversal of 4201433434021 is 1204343341024.

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 449115765921 + 3752317668100 = 670161^2 + 1937090^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201433434021 - 2¹⁹ = 4201432909733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201433434091) 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, 975713926 + ... + 975718231.

It is an arithmetic number, because the mean of its divisors is an integer number (1050846217083).

Almost surely, 2^{4201433434021} is an apocalyptic number.

It is an amenable number.

4201433434021 is a deficient number, since it is larger than the sum of its proper divisors (1951434311).

4201433434021 is a wasteful number, since it uses less digits than its factorization.

4201433434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951434310.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4201433434021 its reverse (1204343341024), we get a palindrome (5405776775045).

The spelling of 4201433434021 in words is "four trillion, two hundred one billion, four hundred thirty-three million, four hundred thirty-four thousand, twenty-one".