6480641867 has 8 divisors (see below), whose sum is σ = 7406942976. Its totient is φ = 5554464552.

The previous prime is 6480641819. The next prime is 6480641903. The reversal of 6480641867 is 7681460846.

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

It is not a de Polignac number, because 6480641867 - 2¹⁰ = 6480640843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6480643867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158858 + ... + 195440.

It is an arithmetic number, because the mean of its divisors is an integer number (925867872).

Almost surely, 2^6480641867 is an apocalyptic number.

6480641867 is a deficient number, since it is larger than the sum of its proper divisors (926301109).

6480641867 is a wasteful number, since it uses less digits than its factorization.

6480641867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61897.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 6480641867 is about 80502.4339197269. The cubic root of 6480641867 is about 1864.4010580217.

The spelling of 6480641867 in words is "six billion, four hundred eighty million, six hundred forty-one thousand, eight hundred sixty-seven".