434749218859 has 2 divisors, whose sum is σ = 434749218860. Its totient is φ = 434749218858.

The previous prime is 434749218853. The next prime is 434749218863. The reversal of 434749218859 is 958812947434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434749218859 - 2⁷ = 434749218731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434749218859.

It is not a weakly prime, because it can be changed into another prime (434749218853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217374609429 + 217374609430.

It is an arithmetic number, because the mean of its divisors is an integer number (217374609430).

Almost surely, 2^434749218859 is an apocalyptic number.

434749218859 is a deficient number, since it is larger than the sum of its proper divisors (1).

434749218859 is an equidigital number, since it uses as much as digits as its factorization.

434749218859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69672960, while the sum is 64.

The spelling of 434749218859 in words is "four hundred thirty-four billion, seven hundred forty-nine million, two hundred eighteen thousand, eight hundred fifty-nine".