18484669385 has 64 divisors (see below), whose sum is σ = 27678163968. Its totient is φ = 11539390464.

The previous prime is 18484669363. The next prime is 18484669409. The reversal of 18484669385 is 58396648481.

It is not a de Polignac number, because 18484669385 - 2⁸ = 18484669129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11978924 + ... + 11980466.

It is an arithmetic number, because the mean of its divisors is an integer number (432471312).

Almost surely, 2^18484669385 is an apocalyptic number.

It is an amenable number.

18484669385 is a deficient number, since it is larger than the sum of its proper divisors (9193494583).

18484669385 is a wasteful number, since it uses less digits than its factorization.

18484669385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914.

The product of its digits is 39813120, while the sum is 62.

The spelling of 18484669385 in words is "eighteen billion, four hundred eighty-four million, six hundred sixty-nine thousand, three hundred eighty-five".