1683820799 has 2 divisors, whose sum is σ = 1683820800. Its totient is φ = 1683820798.

The previous prime is 1683820783. The next prime is 1683820813. The reversal of 1683820799 is 9970283861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1683820799 - 2⁴ = 1683820783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1683820799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1683820729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841910399 + 841910400.

It is an arithmetic number, because the mean of its divisors is an integer number (841910400).

Almost surely, 2^1683820799 is an apocalyptic number.

1683820799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683820799 is an equidigital number, since it uses as much as digits as its factorization.

1683820799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 1683820799 is about 41034.3855686910. The cubic root of 1683820799 is about 1189.6849197603.

The spelling of 1683820799 in words is "one billion, six hundred eighty-three million, eight hundred twenty thousand, seven hundred ninety-nine".