4340021533 has 4 divisors (see below), whose sum is σ = 4413581280. Its totient is φ = 4266461788.

The previous prime is 4340021531. The next prime is 4340021557. The reversal of 4340021533 is 3351200434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3351200434 = 2 ⋅1675600217.

It is a cyclic number.

It is not a de Polignac number, because 4340021533 - 2¹ = 4340021531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4340021498 and 4340021507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340021531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36779785 + ... + 36779902.

It is an arithmetic number, because the mean of its divisors is an integer number (1103395320).

Almost surely, 2^4340021533 is an apocalyptic number.

It is an amenable number.

4340021533 is a deficient number, since it is larger than the sum of its proper divisors (73559747).

4340021533 is an equidigital number, since it uses as much as digits as its factorization.

4340021533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73559746.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 4340021533 is about 65878.8397970092. The cubic root of 4340021533 is about 1631.1627485948.

Adding to 4340021533 its reverse (3351200434), we get a palindrome (7691221967).

The spelling of 4340021533 in words is "four billion, three hundred forty million, twenty-one thousand, five hundred thirty-three".