345054645709 has 2 divisors, whose sum is σ = 345054645710. Its totient is φ = 345054645708.

The previous prime is 345054645703. The next prime is 345054645739. The reversal of 345054645709 is 907546450543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344360059684 + 694586025 = 586822^2 + 26355^2 .

It is a cyclic number.

It is not a de Polignac number, because 345054645709 - 2³ = 345054645701 is a prime.

It is a super-2 number, since 2×345054645709² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345054645701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172527322854 + 172527322855.

It is an arithmetic number, because the mean of its divisors is an integer number (172527322855).

Almost surely, 2^345054645709 is an apocalyptic number.

It is an amenable number.

345054645709 is a deficient number, since it is larger than the sum of its proper divisors (1).

345054645709 is an equidigital number, since it uses as much as digits as its factorization.

345054645709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 345054645709 in words is "three hundred forty-five billion, fifty-four million, six hundred forty-five thousand, seven hundred nine".