34564968989 has 2 divisors, whose sum is σ = 34564968990. Its totient is φ = 34564968988.

The previous prime is 34564968959. The next prime is 34564969001. The reversal of 34564968989 is 98986946543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34538364025 + 26604964 = 185845^2 + 5158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34564968989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34564968959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17282484494 + 17282484495.

It is an arithmetic number, because the mean of its divisors is an integer number (17282484495).

Almost surely, 2^34564968989 is an apocalyptic number.

It is an amenable number.

34564968989 is a deficient number, since it is larger than the sum of its proper divisors (1).

34564968989 is an equidigital number, since it uses as much as digits as its factorization.

34564968989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403107840, while the sum is 71.

The spelling of 34564968989 in words is "thirty-four billion, five hundred sixty-four million, nine hundred sixty-eight thousand, nine hundred eighty-nine".