34543412989 has 2 divisors, whose sum is σ = 34543412990. Its totient is φ = 34543412988.

The previous prime is 34543412971. The next prime is 34543413013. The reversal of 34543412989 is 98921434543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22203980100 + 12339432889 = 149010^2 + 111083^2 .

It is an emirp because it is prime and its reverse (98921434543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34543412989 - 2¹⁷ = 34543281917 is a prime.

It is a super-2 number, since 2×34543412989² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34543412929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17271706494 + 17271706495.

It is an arithmetic number, because the mean of its divisors is an integer number (17271706495).

Almost surely, 2^34543412989 is an apocalyptic number.

It is an amenable number.

34543412989 is a deficient number, since it is larger than the sum of its proper divisors (1).

34543412989 is an equidigital number, since it uses as much as digits as its factorization.

34543412989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 52.

The spelling of 34543412989 in words is "thirty-four billion, five hundred forty-three million, four hundred twelve thousand, nine hundred eighty-nine".