1685672446492 has 12 divisors (see below), whose sum is σ = 3045085710016. Its totient is φ = 815647957920.

The previous prime is 1685672446433. The next prime is 1685672446499. The reversal of 1685672446492 is 2946442765861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685672446499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6797066193 + ... + 6797066440.

Almost surely, 2^{1685672446492} is an apocalyptic number.

It is an amenable number.

1685672446492 is a deficient number, since it is larger than the sum of its proper divisors (1359413263524).

1685672446492 is a wasteful number, since it uses less digits than its factorization.

1685672446492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13594132668 (or 13594132666 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 64.

The spelling of 1685672446492 in words is "one trillion, six hundred eighty-five billion, six hundred seventy-two million, four hundred forty-six thousand, four hundred ninety-two".