4034323430021 has 2 divisors, whose sum is σ = 4034323430022. Its totient is φ = 4034323430020.

The previous prime is 4034323429993. The next prime is 4034323430069. The reversal of 4034323430021 is 1200343234304.

4034323430021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2098482520996 + 1935840909025 = 1448614^2 + 1391345^2 .

It is a cyclic number.

It is not a de Polignac number, because 4034323430021 - 2¹⁸ = 4034323167877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4034623430021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2017161715010 + 2017161715011.

It is an arithmetic number, because the mean of its divisors is an integer number (2017161715011).

Almost surely, 2^{4034323430021} is an apocalyptic number.

It is an amenable number.

4034323430021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4034323430021 is an equidigital number, since it uses as much as digits as its factorization.

4034323430021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 4034323430021 its reverse (1200343234304), we get a palindrome (5234666664325).

The spelling of 4034323430021 in words is "four trillion, thirty-four billion, three hundred twenty-three million, four hundred thirty thousand, twenty-one".