340606115609 has 2 divisors, whose sum is σ = 340606115610. Its totient is φ = 340606115608.

The previous prime is 340606115587. The next prime is 340606115611. The reversal of 340606115609 is 906511606043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328323270025 + 12282845584 = 572995^2 + 110828^2 .

It is a cyclic number.

It is not a de Polignac number, because 340606115609 - 2²⁴ = 340589338393 is a prime.

Together with 340606115611, 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 (340606145609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170303057804 + 170303057805.

It is an arithmetic number, because the mean of its divisors is an integer number (170303057805).

Almost surely, 2^340606115609 is an apocalyptic number.

It is an amenable number.

340606115609 is a deficient number, since it is larger than the sum of its proper divisors (1).

340606115609 is an equidigital number, since it uses as much as digits as its factorization.

340606115609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 340606115609 in words is "three hundred forty billion, six hundred six million, one hundred fifteen thousand, six hundred nine".