4034340021 has 8 divisors (see below), whose sum is σ = 5402817504. Its totient is φ = 2677711280.

The previous prime is 4034339999. The next prime is 4034340043. The reversal of 4034340021 is 1200434304.

It is an interprime number because it is at equal distance from previous prime (4034339999) and next prime (4034340043).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4034340021 - 2⁶ = 4034339957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4034340021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4034340421) 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 7 ways as a sum of consecutive naturals, for example, 2961390 + ... + 2962751.

It is an arithmetic number, because the mean of its divisors is an integer number (675352188).

Almost surely, 2^4034340021 is an apocalyptic number.

It is an amenable number.

4034340021 is a deficient number, since it is larger than the sum of its proper divisors (1368477483).

4034340021 is a wasteful number, since it uses less digits than its factorization.

4034340021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924371.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4034340021 is about 63516.4547263148. The cubic root of 4034340021 is about 1591.9307296116.

Adding to 4034340021 its reverse (1200434304), we get a palindrome (5234774325).

The spelling of 4034340021 in words is "four billion, thirty-four million, three hundred forty thousand, twenty-one".