1478884491 has 12 divisors (see below), whose sum is σ = 2441333232. Its totient is φ = 845076816.

The previous prime is 1478884471. The next prime is 1478884529. The reversal of 1478884491 is 1944888741.

1478884491 is a `hidden beast` number, since 1 + 4 + 78 + 8 + 84 + 491 = 666.

1478884491 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1478884491 - 2¹⁰ = 1478883467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1478884471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11737116 + ... + 11737241.

It is an arithmetic number, because the mean of its divisors is an integer number (203444436).

Almost surely, 2^1478884491 is an apocalyptic number.

1478884491 is a deficient number, since it is larger than the sum of its proper divisors (962448741).

1478884491 is a wasteful number, since it uses less digits than its factorization.

1478884491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23474370 (or 23474367 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The square root of 1478884491 is about 38456.2672525559. The cubic root of 1478884491 is about 1139.3174561547.

The spelling of 1478884491 in words is "one billion, four hundred seventy-eight million, eight hundred eighty-four thousand, four hundred ninety-one".