378283069 has 2 divisors, whose sum is σ = 378283070. Its totient is φ = 378283068.

The previous prime is 378283033. The next prime is 378283117. The reversal of 378283069 is 960382873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365765625 + 12517444 = 19125^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 378283069 - 2¹⁹ = 377758781 is a prime.

It is a super-2 number, since 2×378283069² = 286196160584117522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378283769) 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, 189141534 + 189141535.

It is an arithmetic number, because the mean of its divisors is an integer number (189141535).

Almost surely, 2^378283069 is an apocalyptic number.

It is an amenable number.

378283069 is a deficient number, since it is larger than the sum of its proper divisors (1).

378283069 is an equidigital number, since it uses as much as digits as its factorization.

378283069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 378283069 is about 19449.5004820175. The cubic root of 378283069 is about 723.2231200810.

The spelling of 378283069 in words is "three hundred seventy-eight million, two hundred eighty-three thousand, sixty-nine".