6465252877 has 2 divisors, whose sum is σ = 6465252878. Its totient is φ = 6465252876.

The previous prime is 6465252869. The next prime is 6465252883. The reversal of 6465252877 is 7782525646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6420977161 + 44275716 = 80131^2 + 6654^2 .

It is a cyclic number.

It is not a de Polignac number, because 6465252877 - 2³ = 6465252869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6465252887) 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 as a sum of consecutive naturals, namely, 3232626438 + 3232626439.

It is an arithmetic number, because the mean of its divisors is an integer number (3232626439).

Almost surely, 2^6465252877 is an apocalyptic number.

It is an amenable number.

6465252877 is a deficient number, since it is larger than the sum of its proper divisors (1).

6465252877 is an equidigital number, since it uses as much as digits as its factorization.

6465252877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5644800, while the sum is 52.

The square root of 6465252877 is about 80406.7962115144. The cubic root of 6465252877 is about 1862.9241472465.

The spelling of 6465252877 in words is "six billion, four hundred sixty-five million, two hundred fifty-two thousand, eight hundred seventy-seven".