4427349187 has 18 divisors (see below), whose sum is σ = 4626502452. Its totient is φ = 4234464864.

The previous prime is 4427349167. The next prime is 4427349209. The reversal of 4427349187 is 7819437244.

It is not a de Polignac number, because 4427349187 - 2¹¹ = 4427347139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4427349187.

It is not an unprimeable number, because it can be changed into a prime (4427349107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31851364 + ... + 31851502.

It is an arithmetic number, because the mean of its divisors is an integer number (257027914).

Almost surely, 2^4427349187 is an apocalyptic number.

4427349187 is a deficient number, since it is larger than the sum of its proper divisors (199153265).

4427349187 is an frugal number, since it uses more digits than its factorization.

4427349187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 255 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 4427349187 is about 66538.3287060924. The cubic root of 4427349187 is about 1642.0306477861.

The spelling of 4427349187 in words is "four billion, four hundred twenty-seven million, three hundred forty-nine thousand, one hundred eighty-seven".