18714046473 has 18 divisors (see below), whose sum is σ = 27406836366. Its totient is φ = 12305094912.

The previous prime is 18714046459. The next prime is 18714046537. The reversal of 18714046473 is 37464041781.

18714046473 is a `hidden beast` number, since 1 + 87 + 1 + 40 + 464 + 73 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 372219849 + 18341826624 = 19293^2 + 135432^2 .

It is not a de Polignac number, because 18714046473 - 2⁵ = 18714046441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18714046433) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 147136 + ... + 243057.

Almost surely, 2^18714046473 is an apocalyptic number.

It is an amenable number.

18714046473 is a deficient number, since it is larger than the sum of its proper divisors (8692789893).

18714046473 is an equidigital number, since it uses as much as digits as its factorization.

18714046473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390345 (or 390269 counting only the distinct ones).

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

The spelling of 18714046473 in words is "eighteen billion, seven hundred fourteen million, forty-six thousand, four hundred seventy-three".