4427329491 has 48 divisors (see below), whose sum is σ = 6980291136. Its totient is φ = 2687827968.

The previous prime is 4427329471. The next prime is 4427329519. The reversal of 4427329491 is 1949237244.

4427329491 is a `hidden beast` number, since 4 + 4 + 273 + 294 + 91 = 666.

It is not a de Polignac number, because 4427329491 - 2¹⁰ = 4427328467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4427329451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3397146 + ... + 3398448.

It is an arithmetic number, because the mean of its divisors is an integer number (145422732).

Almost surely, 2^4427329491 is an apocalyptic number.

4427329491 is a deficient number, since it is larger than the sum of its proper divisors (2552961645).

4427329491 is a wasteful number, since it uses less digits than its factorization.

4427329491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 1689 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 4427329491 is about 66538.1807010080. The cubic root of 4427329491 is about 1642.0282128089.

The spelling of 4427329491 in words is "four billion, four hundred twenty-seven million, three hundred twenty-nine thousand, four hundred ninety-one".