4189281469 has 2 divisors, whose sum is σ = 4189281470. Its totient is φ = 4189281468.

The previous prime is 4189281347. The next prime is 4189281487. The reversal of 4189281469 is 9641829814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3401805625 + 787475844 = 58325^2 + 28062^2 .

It is a cyclic number.

It is not a de Polignac number, because 4189281469 - 2¹¹ = 4189279421 is a prime.

It is a super-2 number, since 2×4189281469² = 35100158453013595922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4189281269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094640734 + 2094640735.

It is an arithmetic number, because the mean of its divisors is an integer number (2094640735).

Almost surely, 2^4189281469 is an apocalyptic number.

It is an amenable number.

4189281469 is a deficient number, since it is larger than the sum of its proper divisors (1).

4189281469 is an equidigital number, since it uses as much as digits as its factorization.

4189281469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 52.

The square root of 4189281469 is about 64724.6588944276. The cubic root of 4189281469 is about 1612.0549700636.

The spelling of 4189281469 in words is "four billion, one hundred eighty-nine million, two hundred eighty-one thousand, four hundred sixty-nine".