4321487869 has 2 divisors, whose sum is σ = 4321487870. Its totient is φ = 4321487868.

The previous prime is 4321487857. The next prime is 4321487887. The reversal of 4321487869 is 9687841234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4040254969 + 281232900 = 63563^2 + 16770^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321487869 - 2⁷ = 4321487741 is a prime.

It is a super-2 number, since 2×4321487869² = 37350514803828322322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321487369) 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, 2160743934 + 2160743935.

It is an arithmetic number, because the mean of its divisors is an integer number (2160743935).

Almost surely, 2^4321487869 is an apocalyptic number.

It is an amenable number.

4321487869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321487869 is an equidigital number, since it uses as much as digits as its factorization.

4321487869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 52.

The square root of 4321487869 is about 65738.0245291871. The cubic root of 4321487869 is about 1628.8375252464.

The spelling of 4321487869 in words is "four billion, three hundred twenty-one million, four hundred eighty-seven thousand, eight hundred sixty-nine".