427066660799 has 2 divisors, whose sum is σ = 427066660800. Its totient is φ = 427066660798.

The previous prime is 427066660693. The next prime is 427066660819. The reversal of 427066660799 is 997066660724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427066660799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427066666799) 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, 213533330399 + 213533330400.

It is an arithmetic number, because the mean of its divisors is an integer number (213533330400).

Almost surely, 2^427066660799 is an apocalyptic number.

427066660799 is a deficient number, since it is larger than the sum of its proper divisors (1).

427066660799 is an equidigital number, since it uses as much as digits as its factorization.

427066660799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41150592, while the sum is 62.

The spelling of 427066660799 in words is "four hundred twenty-seven billion, sixty-six million, six hundred sixty thousand, seven hundred ninety-nine".