6480305641 has 2 divisors, whose sum is σ = 6480305642. Its totient is φ = 6480305640.

The previous prime is 6480305569. The next prime is 6480305677. The reversal of 6480305641 is 1465030846.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5158256041 + 1322049600 = 71821^2 + 36360^2 .

It is a cyclic number.

It is not a de Polignac number, because 6480305641 - 2¹⁵ = 6480272873 is a prime.

It is a super-2 number, since 2×6480305641² = 83988722401552841762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6480305641.

It is not a weakly prime, because it can be changed into another prime (6480300641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240152820 + 3240152821.

It is an arithmetic number, because the mean of its divisors is an integer number (3240152821).

Almost surely, 2^6480305641 is an apocalyptic number.

It is an amenable number.

6480305641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6480305641 is an equidigital number, since it uses as much as digits as its factorization.

6480305641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 6480305641 is about 80500.3455955315. The cubic root of 6480305641 is about 1864.3688147674.

The spelling of 6480305641 in words is "six billion, four hundred eighty million, three hundred five thousand, six hundred forty-one".