346220017189 has 2 divisors, whose sum is σ = 346220017190. Its totient is φ = 346220017188.

The previous prime is 346220017147. The next prime is 346220017219. The reversal of 346220017189 is 981710022643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317537885025 + 28682132164 = 563505^2 + 169358^2 .

It is a cyclic number.

It is not a de Polignac number, because 346220017189 - 2²⁷ = 346085799461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346220017289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173110008594 + 173110008595.

It is an arithmetic number, because the mean of its divisors is an integer number (173110008595).

Almost surely, 2^346220017189 is an apocalyptic number.

It is an amenable number.

346220017189 is a deficient number, since it is larger than the sum of its proper divisors (1).

346220017189 is an equidigital number, since it uses as much as digits as its factorization.

346220017189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 346220017189 in words is "three hundred forty-six billion, two hundred twenty million, seventeen thousand, one hundred eighty-nine".