4378327469 has 2 divisors, whose sum is σ = 4378327470. Its totient is φ = 4378327468.

The previous prime is 4378327451. The next prime is 4378327483. The reversal of 4378327469 is 9647238734.

4378327469 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2189304100 + 2189023369 = 46790^2 + 46787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4378327469 is a prime.

It is a super-2 number, since 2×4378327469² = 38339502851599891922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4378327469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4378327409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189163734 + 2189163735.

It is an arithmetic number, because the mean of its divisors is an integer number (2189163735).

Almost surely, 2^4378327469 is an apocalyptic number.

It is an amenable number.

4378327469 is a deficient number, since it is larger than the sum of its proper divisors (1).

4378327469 is an equidigital number, since it uses as much as digits as its factorization.

4378327469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 53.

The square root of 4378327469 is about 66168.9312970974. The cubic root of 4378327469 is about 1635.9476927510.

The spelling of 4378327469 in words is "four billion, three hundred seventy-eight million, three hundred twenty-seven thousand, four hundred sixty-nine".