434213451020243 has 2 divisors, whose sum is σ = 434213451020244. Its totient is φ = 434213451020242.

The previous prime is 434213451020189. The next prime is 434213451020269. The reversal of 434213451020243 is 342020154312434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434213451020243 - 2³⁶ = 434144731543507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434213451020197 and 434213451020206.

It is not a weakly prime, because it can be changed into another prime (434213450020243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217106725510121 + 217106725510122.

It is an arithmetic number, because the mean of its divisors is an integer number (217106725510122).

Almost surely, 2^{434213451020243} is an apocalyptic number.

434213451020243 is a deficient number, since it is larger than the sum of its proper divisors (1).

434213451020243 is an equidigital number, since it uses as much as digits as its factorization.

434213451020243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 434213451020243 in words is "four hundred thirty-four trillion, two hundred thirteen billion, four hundred fifty-one million, twenty thousand, two hundred forty-three".