1682654693 has 2 divisors, whose sum is σ = 1682654694. Its totient is φ = 1682654692.

The previous prime is 1682654669. The next prime is 1682654707. The reversal of 1682654693 is 3964562861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1035359329 + 647295364 = 32177^2 + 25442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1682654693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1682654593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841327346 + 841327347.

It is an arithmetic number, because the mean of its divisors is an integer number (841327347).

Almost surely, 2^1682654693 is an apocalyptic number.

It is an amenable number.

1682654693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1682654693 is an equidigital number, since it uses as much as digits as its factorization.

1682654693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 50.

The square root of 1682654693 is about 41020.1742195228. The cubic root of 1682654693 is about 1189.4102232489.

The spelling of 1682654693 in words is "one billion, six hundred eighty-two million, six hundred fifty-four thousand, six hundred ninety-three".