18284386346 has 8 divisors (see below), whose sum is σ = 29039907780. Its totient is φ = 8604417088.

The previous prime is 18284386333. The next prime is 18284386381. The reversal of 18284386346 is 64368348281.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15577785721 + 2706600625 = 124811^2 + 52025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268888001 + ... + 268888068.

Almost surely, 2^18284386346 is an apocalyptic number.

18284386346 is a deficient number, since it is larger than the sum of its proper divisors (10755521434).

18284386346 is a wasteful number, since it uses less digits than its factorization.

18284386346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537776088.

The product of its digits is 5308416, while the sum is 53.

The spelling of 18284386346 in words is "eighteen billion, two hundred eighty-four million, three hundred eighty-six thousand, three hundred forty-six".