434132404021 has 2 divisors, whose sum is σ = 434132404022. Its totient is φ = 434132404020.

The previous prime is 434132403941. The next prime is 434132404031. The reversal of 434132404021 is 120404231434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434030616100 + 101787921 = 658810^2 + 10089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434132404021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434132404031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217066202010 + 217066202011.

It is an arithmetic number, because the mean of its divisors is an integer number (217066202011).

Almost surely, 2^434132404021 is an apocalyptic number.

It is an amenable number.

434132404021 is a deficient number, since it is larger than the sum of its proper divisors (1).

434132404021 is an equidigital number, since it uses as much as digits as its factorization.

434132404021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 434132404021 its reverse (120404231434), we get a palindrome (554536635455).

The spelling of 434132404021 in words is "four hundred thirty-four billion, one hundred thirty-two million, four hundred four thousand, twenty-one".