345622013309 has 2 divisors, whose sum is σ = 345622013310. Its totient is φ = 345622013308.

The previous prime is 345622013291. The next prime is 345622013381. The reversal of 345622013309 is 903310226543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270630929284 + 74991084025 = 520222^2 + 273845^2 .

It is a cyclic number.

It is not a de Polignac number, because 345622013309 - 2²⁸ = 345353577853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345622016309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172811006654 + 172811006655.

It is an arithmetic number, because the mean of its divisors is an integer number (172811006655).

Almost surely, 2^345622013309 is an apocalyptic number.

It is an amenable number.

345622013309 is a deficient number, since it is larger than the sum of its proper divisors (1).

345622013309 is an equidigital number, since it uses as much as digits as its factorization.

345622013309 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 38.

The spelling of 345622013309 in words is "three hundred forty-five billion, six hundred twenty-two million, thirteen thousand, three hundred nine".