654344064601 has 2 divisors, whose sum is σ = 654344064602. Its totient is φ = 654344064600.

The previous prime is 654344064587. The next prime is 654344064623. The reversal of 654344064601 is 106460443456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490351463001 + 163992601600 = 700251^2 + 404960^2 .

It is a cyclic number.

It is not a de Polignac number, because 654344064601 - 2⁹ = 654344064089 is a prime.

It is a super-2 number, since 2×654344064601² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (654344064401) 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, 327172032300 + 327172032301.

It is an arithmetic number, because the mean of its divisors is an integer number (327172032301).

Almost surely, 2^654344064601 is an apocalyptic number.

It is an amenable number.

654344064601 is a deficient number, since it is larger than the sum of its proper divisors (1).

654344064601 is an equidigital number, since it uses as much as digits as its factorization.

654344064601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 654344064601 in words is "six hundred fifty-four billion, three hundred forty-four million, sixty-four thousand, six hundred one".