946876766489 has 2 divisors, whose sum is σ = 946876766490. Its totient is φ = 946876766488.

The previous prime is 946876766393. The next prime is 946876766501. The reversal of 946876766489 is 984667678649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 683408089225 + 263468677264 = 826685^2 + 513292^2 .

It is a cyclic number.

It is not a de Polignac number, because 946876766489 - 2¹⁶ = 946876700953 is a prime.

It is a super-2 number, since 2×946876766489² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (946876765489) 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, 473438383244 + 473438383245.

It is an arithmetic number, because the mean of its divisors is an integer number (473438383245).

Almost surely, 2^946876766489 is an apocalyptic number.

It is an amenable number.

946876766489 is a deficient number, since it is larger than the sum of its proper divisors (1).

946876766489 is an equidigital number, since it uses as much as digits as its factorization.

946876766489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5267275776, while the sum is 80.

The spelling of 946876766489 in words is "nine hundred forty-six billion, eight hundred seventy-six million, seven hundred sixty-six thousand, four hundred eighty-nine".