4021434340411 has 4 divisors (see below), whose sum is σ = 4233088779400. Its totient is φ = 3809779901424.

The previous prime is 4021434340409. The next prime is 4021434340423. The reversal of 4021434340411 is 1140434341204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4021434340411 - 2¹ = 4021434340409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021434340481) 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, 105827219466 + ... + 105827219503.

It is an arithmetic number, because the mean of its divisors is an integer number (1058272194850).

Almost surely, 2^{4021434340411} is an apocalyptic number.

4021434340411 is a deficient number, since it is larger than the sum of its proper divisors (211654438989).

4021434340411 is a wasteful number, since it uses less digits than its factorization.

4021434340411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211654438988.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 4021434340411 its reverse (1140434341204), we get a palindrome (5161868681615).

The spelling of 4021434340411 in words is "four trillion, twenty-one billion, four hundred thirty-four million, three hundred forty thousand, four hundred eleven".