6464271868601 has 2 divisors, whose sum is σ = 6464271868602. Its totient is φ = 6464271868600.

The previous prime is 6464271868543. The next prime is 6464271868633. The reversal of 6464271868601 is 1068681724646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4196356347001 + 2267915521600 = 2048501^2 + 1505960^2 .

It is a cyclic number.

It is not a de Polignac number, because 6464271868601 - 2¹⁰ = 6464271867577 is a prime.

It is not a weakly prime, because it can be changed into another prime (6464271868661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232135934300 + 3232135934301.

It is an arithmetic number, because the mean of its divisors is an integer number (3232135934301).

Almost surely, 2^{6464271868601} is an apocalyptic number.

It is an amenable number.

6464271868601 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464271868601 is an equidigital number, since it uses as much as digits as its factorization.

6464271868601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 6464271868601 in words is "six trillion, four hundred sixty-four billion, two hundred seventy-one million, eight hundred sixty-eight thousand, six hundred one".