684808483 has 2 divisors, whose sum is σ = 684808484. Its totient is φ = 684808482.

The previous prime is 684808459. The next prime is 684808493. The reversal of 684808483 is 384808486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 684808483 - 2⁵ = 684808451 is a prime.

It is a super-2 number, since 2×684808483² = 937925316777522578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (684808403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342404241 + 342404242.

It is an arithmetic number, because the mean of its divisors is an integer number (342404242).

Almost surely, 2^684808483 is an apocalyptic number.

684808483 is a deficient number, since it is larger than the sum of its proper divisors (1).

684808483 is an equidigital number, since it uses as much as digits as its factorization.

684808483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1179648, while the sum is 49.

The square root of 684808483 is about 26168.8456566200. The cubic root of 684808483 is about 881.4338208629.

The spelling of 684808483 in words is "six hundred eighty-four million, eight hundred eight thousand, four hundred eighty-three".