1684490394112 has 40 divisors (see below), whose sum is σ = 3365902130976. Its totient is φ = 842192305152.

The previous prime is 1684490394077. The next prime is 1684490394121. The reversal of 1684490394112 is 2114930944861.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1684490394112.

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, 8807533 + ... + 8996755.

Almost surely, 2^{1684490394112} is an apocalyptic number.

It is an amenable number.

1684490394112 is a deficient number, since it is larger than the sum of its proper divisors (1681411736864).

1684490394112 is an equidigital number, since it uses as much as digits as its factorization.

1684490394112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206628 (or 206612 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 1684490394112 in words is "one trillion, six hundred eighty-four billion, four hundred ninety million, three hundred ninety-four thousand, one hundred twelve".