4466542456657 has 2 divisors, whose sum is σ = 4466542456658. Its totient is φ = 4466542456656.

The previous prime is 4466542456631. The next prime is 4466542456757. The reversal of 4466542456657 is 7566542456644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4320407516481 + 146134940176 = 2078559^2 + 382276^2 .

It is a cyclic number.

It is not a de Polignac number, because 4466542456657 - 2⁷ = 4466542456529 is a prime.

It is not a weakly prime, because it can be changed into another prime (4466542456757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2233271228328 + 2233271228329.

It is an arithmetic number, because the mean of its divisors is an integer number (2233271228329).

Almost surely, 2^{4466542456657} is an apocalyptic number.

It is an amenable number.

4466542456657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4466542456657 is an equidigital number, since it uses as much as digits as its factorization.

4466542456657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608000, while the sum is 64.

The spelling of 4466542456657 in words is "four trillion, four hundred sixty-six billion, five hundred forty-two million, four hundred fifty-six thousand, six hundred fifty-seven".