1682743622689 has 2 divisors, whose sum is σ = 1682743622690. Its totient is φ = 1682743622688.

The previous prime is 1682743622629. The next prime is 1682743622701. The reversal of 1682743622689 is 9862263472861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1377376862689 + 305366760000 = 1173617^2 + 552600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1682743622689 - 2¹⁷ = 1682743491617 is a prime.

It is a super-3 number, since 3×1682743622689³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1682743622689.

It is not a weakly prime, because it can be changed into another prime (1682743622629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841371811344 + 841371811345.

It is an arithmetic number, because the mean of its divisors is an integer number (841371811345).

Almost surely, 2^{1682743622689} is an apocalyptic number.

It is an amenable number.

1682743622689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1682743622689 is an equidigital number, since it uses as much as digits as its factorization.

1682743622689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 83607552, while the sum is 64.

The spelling of 1682743622689 in words is "one trillion, six hundred eighty-two billion, seven hundred forty-three million, six hundred twenty-two thousand, six hundred eighty-nine".