344485769 has 2 divisors, whose sum is σ = 344485770. Its totient is φ = 344485768.

The previous prime is 344485747. The next prime is 344485859. The reversal of 344485769 is 967584443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226111369 + 118374400 = 15037^2 + 10880^2 .

It is a cyclic number.

It is not a de Polignac number, because 344485769 - 2¹⁶ = 344420233 is a prime.

It is a super-2 number, since 2×344485769² = 237340890087042722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (344485069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172242884 + 172242885.

It is an arithmetic number, because the mean of its divisors is an integer number (172242885).

Almost surely, 2^344485769 is an apocalyptic number.

It is an amenable number.

344485769 is a deficient number, since it is larger than the sum of its proper divisors (1).

344485769 is an equidigital number, since it uses as much as digits as its factorization.

344485769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 50.

The square root of 344485769 is about 18560.3278257686. The cubic root of 344485769 is about 701.0092713278.

The spelling of 344485769 in words is "three hundred forty-four million, four hundred eighty-five thousand, seven hundred sixty-nine".