1680696851714 has 4 divisors (see below), whose sum is σ = 2521045277574. Its totient is φ = 840348425856.

The previous prime is 1680696851711. The next prime is 1680696851783. The reversal of 1680696851714 is 4171586960861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1546458883489 + 134237968225 = 1243567^2 + 366385^2 .

It is a super-2 number, since 2×1680696851714² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1680696851711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420174212927 + ... + 420174212930.

Almost surely, 2^{1680696851714} is an apocalyptic number.

1680696851714 is a deficient number, since it is larger than the sum of its proper divisors (840348425860).

1680696851714 is an equidigital number, since it uses as much as digits as its factorization.

1680696851714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840348425859.

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 1680696851714 in words is "one trillion, six hundred eighty billion, six hundred ninety-six million, eight hundred fifty-one thousand, seven hundred fourteen".