4146433021 has 4 divisors (see below), whose sum is σ = 4289413500. Its totient is φ = 4003452544.

The previous prime is 4146433003. The next prime is 4146433051. The reversal of 4146433021 is 1203346414.

4146433021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2820672100 + 1325760921 = 53110^2 + 36411^2 .

It is a cyclic number.

It is not a de Polignac number, because 4146433021 - 2²¹ = 4144335869 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 (4146433051) 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, 71490196 + ... + 71490253.

It is an arithmetic number, because the mean of its divisors is an integer number (1072353375).

Almost surely, 2^4146433021 is an apocalyptic number.

It is an amenable number.

4146433021 is a deficient number, since it is larger than the sum of its proper divisors (142980479).

4146433021 is a wasteful number, since it uses less digits than its factorization.

4146433021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142980478.

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

The square root of 4146433021 is about 64392.8025558758. The cubic root of 4146433021 is about 1606.5400306853.

Adding to 4146433021 its reverse (1203346414), we get a palindrome (5349779435).

The spelling of 4146433021 in words is "four billion, one hundred forty-six million, four hundred thirty-three thousand, twenty-one".