1378480473 has 12 divisors (see below), whose sum is σ = 2044953508. Its totient is φ = 894149280.

The previous prime is 1378480429. The next prime is 1378480489. The reversal of 1378480473 is 3740848731.

1378480473 is a `hidden beast` number, since 137 + 8 + 48 + 0 + 473 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1096139664 + 282340809 = 33108^2 + 16803^2 .

It is not a de Polignac number, because 1378480473 - 2⁸ = 1378480217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1378480423) 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, 2069458 + ... + 2070123.

Almost surely, 2^1378480473 is an apocalyptic number.

It is an amenable number.

1378480473 is a deficient number, since it is larger than the sum of its proper divisors (666473035).

1378480473 is a wasteful number, since it uses less digits than its factorization.

1378480473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139624 (or 4139621 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 1378480473 is about 37127.8934630016. The cubic root of 1378480473 is about 1112.9274974991.

The spelling of 1378480473 in words is "one billion, three hundred seventy-eight million, four hundred eighty thousand, four hundred seventy-three".