6478314673 has 2 divisors, whose sum is σ = 6478314674. Its totient is φ = 6478314672.

The previous prime is 6478314671. The next prime is 6478314691. The reversal of 6478314673 is 3764138746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6452426929 + 25887744 = 80327^2 + 5088^2 .

It is a cyclic number.

It is not a de Polignac number, because 6478314673 - 2¹ = 6478314671 is a prime.

It is a super-2 number, since 2×6478314673² = 83937122004814193858, which contains 22 as substring.

Together with 6478314671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6478314671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239157336 + 3239157337.

It is an arithmetic number, because the mean of its divisors is an integer number (3239157337).

Almost surely, 2^6478314673 is an apocalyptic number.

It is an amenable number.

6478314673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6478314673 is an equidigital number, since it uses as much as digits as its factorization.

6478314673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 49.

The square root of 6478314673 is about 80487.9784377767. The cubic root of 6478314673 is about 1864.1778629275.

The spelling of 6478314673 in words is "six billion, four hundred seventy-eight million, three hundred fourteen thousand, six hundred seventy-three".