6486225917 has 8 divisors (see below), whose sum is σ = 6868674936. Its totient is φ = 6103877632.

The previous prime is 6486225853. The next prime is 6486225919. The reversal of 6486225917 is 7195226846.

It can be written as a sum of positive squares in 4 ways, for example, as 17884441 + 6468341476 = 4229^2 + 80426^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6486225917 - 2⁶ = 6486225853 is a prime.

It is a super-2 number, since 2×6486225917² = 84142253292724981778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486225919) 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, 137453 + ... + 178509.

It is an arithmetic number, because the mean of its divisors is an integer number (858584367).

Almost surely, 2^6486225917 is an apocalyptic number.

It is an amenable number.

6486225917 is a deficient number, since it is larger than the sum of its proper divisors (382449019).

6486225917 is a wasteful number, since it uses less digits than its factorization.

6486225917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50367.

The product of its digits is 1451520, while the sum is 50.

The square root of 6486225917 is about 80537.1089436416. The cubic root of 6486225917 is about 1864.9363918247.

The spelling of 6486225917 in words is "six billion, four hundred eighty-six million, two hundred twenty-five thousand, nine hundred seventeen".