379305169 has 2 divisors, whose sum is σ = 379305170. Its totient is φ = 379305168.

The previous prime is 379305163. The next prime is 379305191. The reversal of 379305169 is 961503973.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360050625 + 19254544 = 18975^2 + 4388^2 .

It is a cyclic number.

It is not a de Polignac number, because 379305169 - 2³ = 379305161 is a prime.

It is a super-2 number, since 2×379305169² = 287744822460237122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (379305161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189652584 + 189652585.

It is an arithmetic number, because the mean of its divisors is an integer number (189652585).

Almost surely, 2^379305169 is an apocalyptic number.

It is an amenable number.

379305169 is a deficient number, since it is larger than the sum of its proper divisors (1).

379305169 is an equidigital number, since it uses as much as digits as its factorization.

379305169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 379305169 is about 19475.7584961408. The cubic root of 379305169 is about 723.8739039729.

The spelling of 379305169 in words is "three hundred seventy-nine million, three hundred five thousand, one hundred sixty-nine".