1685720900092 has 12 divisors (see below), whose sum is σ = 2950214246056. Its totient is φ = 842802544080.

The previous prime is 1685720900069. The next prime is 1685720900117. The reversal of 1685720900092 is 2900090275861.

It is a congruent number.

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, 14410959 + ... + 14527462.

Almost surely, 2^{1685720900092} is an apocalyptic number.

It is an amenable number.

1685720900092 is a deficient number, since it is larger than the sum of its proper divisors (1264493345964).

1685720900092 is a wasteful number, since it uses less digits than its factorization.

1685720900092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28952988 (or 28952986 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 1685720900092 in words is "one trillion, six hundred eighty-five billion, seven hundred twenty million, nine hundred thousand, ninety-two".