945666629 has 2 divisors, whose sum is σ = 945666630. Its totient is φ = 945666628.

The previous prime is 945666593. The next prime is 945666637. The reversal of 945666629 is 926666549.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 841116004 + 104550625 = 29002^2 + 10225^2 .

It is a cyclic number.

It is not a de Polignac number, because 945666629 - 2⁸ = 945666373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945666929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472833314 + 472833315.

It is an arithmetic number, because the mean of its divisors is an integer number (472833315).

Almost surely, 2^945666629 is an apocalyptic number.

It is an amenable number.

945666629 is a deficient number, since it is larger than the sum of its proper divisors (1).

945666629 is an equidigital number, since it uses as much as digits as its factorization.

945666629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 53.

The square root of 945666629 is about 30751.6931078599. The cubic root of 945666629 is about 981.5505888360.

The spelling of 945666629 in words is "nine hundred forty-five million, six hundred sixty-six thousand, six hundred twenty-nine".