34566911989 has 2 divisors, whose sum is σ = 34566911990. Its totient is φ = 34566911988.

The previous prime is 34566911963. The next prime is 34566912001. The reversal of 34566911989 is 98911966543.

34566911989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34431771364 + 135140625 = 185558^2 + 11625^2 .

It is a cyclic number.

It is not a de Polignac number, because 34566911989 - 2⁷ = 34566911861 is a prime.

It is a super-2 number, since 2×34566911989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34566911909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17283455994 + 17283455995.

It is an arithmetic number, because the mean of its divisors is an integer number (17283455995).

Almost surely, 2^34566911989 is an apocalyptic number.

It is an amenable number.

34566911989 is a deficient number, since it is larger than the sum of its proper divisors (1).

34566911989 is an equidigital number, since it uses as much as digits as its factorization.

34566911989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12597120, while the sum is 61.

The spelling of 34566911989 in words is "thirty-four billion, five hundred sixty-six million, nine hundred eleven thousand, nine hundred eighty-nine".