434250004053821 has 2 divisors, whose sum is σ = 434250004053822. Its totient is φ = 434250004053820.

The previous prime is 434250004053779. The next prime is 434250004053847. The reversal of 434250004053821 is 128350400052434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385588636960921 + 48661367092900 = 19636411^2 + 6975770^2 .

It is a cyclic number.

It is not a de Polignac number, because 434250004053821 - 2¹⁰ = 434250004052797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434250004053851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217125002026910 + 217125002026911.

It is an arithmetic number, because the mean of its divisors is an integer number (217125002026911).

Almost surely, 2^{434250004053821} is an apocalyptic number.

It is an amenable number.

434250004053821 is a deficient number, since it is larger than the sum of its proper divisors (1).

434250004053821 is an equidigital number, since it uses as much as digits as its factorization.

434250004053821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 434250004053821 in words is "four hundred thirty-four trillion, two hundred fifty billion, four million, fifty-three thousand, eight hundred twenty-one".