4666662442657 has 2 divisors, whose sum is σ = 4666662442658. Its totient is φ = 4666662442656.

The previous prime is 4666662442583. The next prime is 4666662442703. The reversal of 4666662442657 is 7562442666664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4425675705441 + 240986737216 = 2103729^2 + 490904^2 .

It is a cyclic number.

It is not a de Polignac number, because 4666662442657 - 2⁷ = 4666662442529 is a prime.

It is not a weakly prime, because it can be changed into another prime (4666662742657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2333331221328 + 2333331221329.

It is an arithmetic number, because the mean of its divisors is an integer number (2333331221329).

Almost surely, 2^{4666662442657} is an apocalyptic number.

It is an amenable number.

4666662442657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4666662442657 is an equidigital number, since it uses as much as digits as its factorization.

4666662442657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 418037760, while the sum is 64.

The spelling of 4666662442657 in words is "four trillion, six hundred sixty-six billion, six hundred sixty-two million, four hundred forty-two thousand, six hundred fifty-seven".