34709376809 has 2 divisors, whose sum is σ = 34709376810. Its totient is φ = 34709376808.

The previous prime is 34709376761. The next prime is 34709376817. The reversal of 34709376809 is 90867390743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30765160000 + 3944216809 = 175400^2 + 62803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34709376809 is a prime.

It is not a weakly prime, because it can be changed into another prime (34709376869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17354688404 + 17354688405.

It is an arithmetic number, because the mean of its divisors is an integer number (17354688405).

Almost surely, 2^34709376809 is an apocalyptic number.

It is an amenable number.

34709376809 is a deficient number, since it is larger than the sum of its proper divisors (1).

34709376809 is an equidigital number, since it uses as much as digits as its factorization.

34709376809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 34709376809 in words is "thirty-four billion, seven hundred nine million, three hundred seventy-six thousand, eight hundred nine".