345608564017 has 2 divisors, whose sum is σ = 345608564018. Its totient is φ = 345608564016.

The previous prime is 345608563973. The next prime is 345608564051. The reversal of 345608564017 is 710465806543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337803901681 + 7804662336 = 581209^2 + 88344^2 .

It is a cyclic number.

It is not a de Polignac number, because 345608564017 - 2¹⁹ = 345608039729 is a prime.

It is not a weakly prime, because it can be changed into another prime (345608564087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172804282008 + 172804282009.

It is an arithmetic number, because the mean of its divisors is an integer number (172804282009).

Almost surely, 2^345608564017 is an apocalyptic number.

It is an amenable number.

345608564017 is a deficient number, since it is larger than the sum of its proper divisors (1).

345608564017 is an equidigital number, since it uses as much as digits as its factorization.

345608564017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 345608564017 in words is "three hundred forty-five billion, six hundred eight million, five hundred sixty-four thousand, seventeen".