345610420582709 has 2 divisors, whose sum is σ = 345610420582710. Its totient is φ = 345610420582708.

The previous prime is 345610420582643. The next prime is 345610420582711. The reversal of 345610420582709 is 907285024016543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306933651108484 + 38676769474225 = 17519522^2 + 6219065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345610420582709 is a prime.

Together with 345610420582711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345610420582729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172805210291354 + 172805210291355.

It is an arithmetic number, because the mean of its divisors is an integer number (172805210291355).

It is a 1-persistent number, because it is pandigital, but 2⋅345610420582709 = 691220841165418 is not.

Almost surely, 2^{345610420582709} is an apocalyptic number.

It is an amenable number.

345610420582709 is a deficient number, since it is larger than the sum of its proper divisors (1).

345610420582709 is an equidigital number, since it uses as much as digits as its factorization.

345610420582709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 345610420582709 in words is "three hundred forty-five trillion, six hundred ten billion, four hundred twenty million, five hundred eighty-two thousand, seven hundred nine".