34859798789 has 2 divisors, whose sum is σ = 34859798790. Its totient is φ = 34859798788.

The previous prime is 34859798761. The next prime is 34859798797. The reversal of 34859798789 is 98789795843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20436989764 + 14422809025 = 142958^2 + 120095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34859798789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34859798759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17429899394 + 17429899395.

It is an arithmetic number, because the mean of its divisors is an integer number (17429899395).

Almost surely, 2^34859798789 is an apocalyptic number.

It is an amenable number.

34859798789 is a deficient number, since it is larger than the sum of its proper divisors (1).

34859798789 is an equidigital number, since it uses as much as digits as its factorization.

34859798789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1097349120, while the sum is 77.

The spelling of 34859798789 in words is "thirty-four billion, eight hundred fifty-nine million, seven hundred ninety-eight thousand, seven hundred eighty-nine".