6484472257 has 2 divisors, whose sum is σ = 6484472258. Its totient is φ = 6484472256.

The previous prime is 6484472207. The next prime is 6484472261. The reversal of 6484472257 is 7522744846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6121341121 + 363131136 = 78239^2 + 19056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6484472257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6484472257.

It is not a weakly prime, because it can be changed into another prime (6484472207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3242236128 + 3242236129.

It is an arithmetic number, because the mean of its divisors is an integer number (3242236129).

Almost surely, 2^6484472257 is an apocalyptic number.

It is an amenable number.

6484472257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6484472257 is an equidigital number, since it uses as much as digits as its factorization.

6484472257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3010560, while the sum is 49.

The square root of 6484472257 is about 80526.2209283411. The cubic root of 6484472257 is about 1864.7683043944.

The spelling of 6484472257 in words is "six billion, four hundred eighty-four million, four hundred seventy-two thousand, two hundred fifty-seven".