434039834857 has 2 divisors, whose sum is σ = 434039834858. Its totient is φ = 434039834856.

The previous prime is 434039834791. The next prime is 434039834863. The reversal of 434039834857 is 758438930434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232096551696 + 201943283161 = 481764^2 + 449381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434039834857 is a prime.

It is not a weakly prime, because it can be changed into another prime (434039834867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217019917428 + 217019917429.

It is an arithmetic number, because the mean of its divisors is an integer number (217019917429).

Almost surely, 2^434039834857 is an apocalyptic number.

It is an amenable number.

434039834857 is a deficient number, since it is larger than the sum of its proper divisors (1).

434039834857 is an equidigital number, since it uses as much as digits as its factorization.

434039834857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34836480, while the sum is 58.

The spelling of 434039834857 in words is "four hundred thirty-four billion, thirty-nine million, eight hundred thirty-four thousand, eight hundred fifty-seven".