6278314645 has 8 divisors (see below), whose sum is σ = 7552767960. Its totient is φ = 5010124800.

The previous prime is 6278314643. The next prime is 6278314673. The reversal of 6278314645 is 5464138726.

It can be written as a sum of positive squares in 4 ways, for example, as 3601080081 + 2677234564 = 60009^2 + 51742^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6278314645 - 2¹ = 6278314643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6278314595 and 6278314604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6278314643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563660 + ... + 1567669.

It is an arithmetic number, because the mean of its divisors is an integer number (944095995).

Almost surely, 2^6278314645 is an apocalyptic number.

It is an amenable number.

6278314645 is a deficient number, since it is larger than the sum of its proper divisors (1274453315).

6278314645 is a wasteful number, since it uses less digits than its factorization.

6278314645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131735.

The product of its digits is 967680, while the sum is 46.

The square root of 6278314645 is about 79235.8166803372. The cubic root of 6278314645 is about 1844.7932137523.

The spelling of 6278314645 in words is "six billion, two hundred seventy-eight million, three hundred fourteen thousand, six hundred forty-five".