457866339661 has 2 divisors, whose sum is σ = 457866339662. Its totient is φ = 457866339660.

The previous prime is 457866339643. The next prime is 457866339713. The reversal of 457866339661 is 166933668754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403288502500 + 54577837161 = 635050^2 + 233619^2 .

It is a cyclic number.

It is not a de Polignac number, because 457866339661 - 2⁷ = 457866339533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 457866339593 and 457866339602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457866339631) 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, 228933169830 + 228933169831.

It is an arithmetic number, because the mean of its divisors is an integer number (228933169831).

Almost surely, 2^457866339661 is an apocalyptic number.

It is an amenable number.

457866339661 is a deficient number, since it is larger than the sum of its proper divisors (1).

457866339661 is an equidigital number, since it uses as much as digits as its factorization.

457866339661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 64.

The spelling of 457866339661 in words is "four hundred fifty-seven billion, eight hundred sixty-six million, three hundred thirty-nine thousand, six hundred sixty-one".