4201433021 has 4 divisors (see below), whose sum is σ = 4258986972. Its totient is φ = 4143879072.

The previous prime is 4201432993. The next prime is 4201433051. The reversal of 4201433021 is 1203341024.

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 1675264900 + 2526168121 = 40930^2 + 50261^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201433021 - 2⁶ = 4201432957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4201432984 and 4201433002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201433051) 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, 28776866 + ... + 28777011.

It is an arithmetic number, because the mean of its divisors is an integer number (1064746743).

Almost surely, 2^4201433021 is an apocalyptic number.

It is an amenable number.

4201433021 is a deficient number, since it is larger than the sum of its proper divisors (57553951).

4201433021 is an equidigital number, since it uses as much as digits as its factorization.

4201433021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57553950.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4201433021 is about 64818.4620382187. The cubic root of 4201433021 is about 1613.6121233440.

Adding to 4201433021 its reverse (1203341024), we get a palindrome (5404774045).

The spelling of 4201433021 in words is "four billion, two hundred one million, four hundred thirty-three thousand, twenty-one".