6662674873 has 2 divisors, whose sum is σ = 6662674874. Its totient is φ = 6662674872.

The previous prime is 6662674871. The next prime is 6662674951. The reversal of 6662674873 is 3784762666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6346830889 + 315843984 = 79667^2 + 17772^2 .

It is a cyclic number.

It is not a de Polignac number, because 6662674873 - 2¹ = 6662674871 is a prime.

It is a super-2 number, since 2×6662674873² = 88782472926611132258, which contains 22 as substring.

Together with 6662674871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6662674871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331337436 + 3331337437.

It is an arithmetic number, because the mean of its divisors is an integer number (3331337437).

Almost surely, 2^6662674873 is an apocalyptic number.

It is an amenable number.

6662674873 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662674873 is an equidigital number, since it uses as much as digits as its factorization.

6662674873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 55.

The square root of 6662674873 is about 81625.2097883981. The cubic root of 6662674873 is about 1881.6963405968.

The spelling of 6662674873 in words is "six billion, six hundred sixty-two million, six hundred seventy-four thousand, eight hundred seventy-three".