405430004211 has 4 divisors (see below), whose sum is σ = 540573338952. Its totient is φ = 270286669472.

The previous prime is 405430004131. The next prime is 405430004227. The reversal of 405430004211 is 112400034504.

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 405430004211 - 2²² = 405425809907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (405430014211) 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, 67571667366 + ... + 67571667371.

It is an arithmetic number, because the mean of its divisors is an integer number (135143334738).

Almost surely, 2^405430004211 is an apocalyptic number.

405430004211 is a deficient number, since it is larger than the sum of its proper divisors (135143334741).

405430004211 is a wasteful number, since it uses less digits than its factorization.

405430004211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135143334740.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 405430004211 its reverse (112400034504), we get a palindrome (517830038715).

The spelling of 405430004211 in words is "four hundred five billion, four hundred thirty million, four thousand, two hundred eleven".