345184669 has 2 divisors, whose sum is σ = 345184670. Its totient is φ = 345184668.

The previous prime is 345184663. The next prime is 345184673. The reversal of 345184669 is 966481543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218892025 + 126292644 = 14795^2 + 11238^2 .

It is an emirp because it is prime and its reverse (966481543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345184669 - 2²⁷ = 210966941 is a prime.

It is a super-2 number, since 2×345184669² = 238304911425279122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345184663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172592334 + 172592335.

It is an arithmetic number, because the mean of its divisors is an integer number (172592335).

Almost surely, 2^345184669 is an apocalyptic number.

It is an amenable number.

345184669 is a deficient number, since it is larger than the sum of its proper divisors (1).

345184669 is an equidigital number, since it uses as much as digits as its factorization.

345184669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 345184669 is about 18579.1460783320. The cubic root of 345184669 is about 701.4830252206.

The spelling of 345184669 in words is "three hundred forty-five million, one hundred eighty-four thousand, six hundred sixty-nine".