34636811609 has 2 divisors, whose sum is σ = 34636811610. Its totient is φ = 34636811608.

The previous prime is 34636811597. The next prime is 34636811611. The reversal of 34636811609 is 90611863643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20044896400 + 14591915209 = 141580^2 + 120797^2 .

It is a cyclic number.

It is not a de Polignac number, because 34636811609 - 2⁸ = 34636811353 is a prime.

Together with 34636811611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34636811509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17318405804 + 17318405805.

It is an arithmetic number, because the mean of its divisors is an integer number (17318405805).

Almost surely, 2^34636811609 is an apocalyptic number.

It is an amenable number.

34636811609 is a deficient number, since it is larger than the sum of its proper divisors (1).

34636811609 is an equidigital number, since it uses as much as digits as its factorization.

34636811609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 34636811609 in words is "thirty-four billion, six hundred thirty-six million, eight hundred eleven thousand, six hundred nine".