5433406021 has 2 divisors, whose sum is σ = 5433406022. Its totient is φ = 5433406020.

The previous prime is 5433406019. The next prime is 5433406031. The reversal of 5433406021 is 1206043345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3377236996 + 2056169025 = 58114^2 + 45345^2 .

It is a cyclic number.

It is not a de Polignac number, because 5433406021 - 2¹ = 5433406019 is a prime.

Together with 5433406019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5433406031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2716703010 + 2716703011.

It is an arithmetic number, because the mean of its divisors is an integer number (2716703011).

Almost surely, 2^5433406021 is an apocalyptic number.

It is an amenable number.

5433406021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5433406021 is an equidigital number, since it uses as much as digits as its factorization.

5433406021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 5433406021 is about 73711.6410141573. The cubic root of 5433406021 is about 1758.0209785527.

Adding to 5433406021 its reverse (1206043345), we get a palindrome (6639449366).

The spelling of 5433406021 in words is "five billion, four hundred thirty-three million, four hundred six thousand, twenty-one".