1686425534052 has 48 divisors (see below), whose sum is σ = 4573357393920. Its totient is φ = 473669155872.

The previous prime is 1686425534039. The next prime is 1686425534071. The reversal of 1686425534052 is 2504355246861.

It is a junction number, because it is equal to n+sod(n) for n = 1686425533986 and 1686425534004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170134828 + ... + 170144739.

It is an arithmetic number, because the mean of its divisors is an integer number (95278279040).

Almost surely, 2^{1686425534052} is an apocalyptic number.

1686425534052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1686425534052 is an abundant number, since it is smaller than the sum of its proper divisors (2886931859868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1686425534052 is a wasteful number, since it uses less digits than its factorization.

1686425534052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340279640 (or 340279638 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 51.

The spelling of 1686425534052 in words is "one trillion, six hundred eighty-six billion, four hundred twenty-five million, five hundred thirty-four thousand, fifty-two".