434941873643 has 2 divisors, whose sum is σ = 434941873644. Its totient is φ = 434941873642.

The previous prime is 434941873603. The next prime is 434941873669. The reversal of 434941873643 is 346378149434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434941873643 - 2¹⁸ = 434941611499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (434941873603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217470936821 + 217470936822.

It is an arithmetic number, because the mean of its divisors is an integer number (217470936822).

Almost surely, 2^434941873643 is an apocalyptic number.

434941873643 is a deficient number, since it is larger than the sum of its proper divisors (1).

434941873643 is an equidigital number, since it uses as much as digits as its factorization.

434941873643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 56.

The spelling of 434941873643 in words is "four hundred thirty-four billion, nine hundred forty-one million, eight hundred seventy-three thousand, six hundred forty-three".