945932789 has 2 divisors, whose sum is σ = 945932790. Its totient is φ = 945932788.

The previous prime is 945932783. The next prime is 945932833. The reversal of 945932789 is 987239549.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 708464689 + 237468100 = 26617^2 + 15410^2 .

It is a cyclic number.

It is not a de Polignac number, because 945932789 - 2²⁴ = 929155573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945932783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472966394 + 472966395.

It is an arithmetic number, because the mean of its divisors is an integer number (472966395).

Almost surely, 2^945932789 is an apocalyptic number.

It is an amenable number.

945932789 is a deficient number, since it is larger than the sum of its proper divisors (1).

945932789 is an equidigital number, since it uses as much as digits as its factorization.

945932789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 56.

The square root of 945932789 is about 30756.0203700024. The cubic root of 945932789 is about 981.6426667384.

The spelling of 945932789 in words is "nine hundred forty-five million, nine hundred thirty-two thousand, seven hundred eighty-nine".