676664519 has 2 divisors, whose sum is σ = 676664520. Its totient is φ = 676664518.

The previous prime is 676664491. The next prime is 676664539. The reversal of 676664519 is 915466676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 676664519 - 2²⁰ = 675615943 is a prime.

It is a super-2 number, since 2×676664519² = 915749742547002722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676664539) 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, 338332259 + 338332260.

It is an arithmetic number, because the mean of its divisors is an integer number (338332260).

Almost surely, 2^676664519 is an apocalyptic number.

676664519 is a deficient number, since it is larger than the sum of its proper divisors (1).

676664519 is an equidigital number, since it uses as much as digits as its factorization.

676664519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 676664519 is about 26012.7760725379. The cubic root of 676664519 is about 877.9257789284.

The spelling of 676664519 in words is "six hundred seventy-six million, six hundred sixty-four thousand, five hundred nineteen".