955089389 has 2 divisors, whose sum is σ = 955089390. Its totient is φ = 955089388.

The previous prime is 955089379. The next prime is 955089391. The reversal of 955089389 is 983980559.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 895026889 + 60062500 = 29917^2 + 7750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-955089389 is a prime.

It is a Sophie Germain prime.

Together with 955089391, it forms a pair of twin primes.

It is a Chen 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 (955089319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477544694 + 477544695.

It is an arithmetic number, because the mean of its divisors is an integer number (477544695).

Almost surely, 2^955089389 is an apocalyptic number.

It is an amenable number.

955089389 is a deficient number, since it is larger than the sum of its proper divisors (1).

955089389 is an equidigital number, since it uses as much as digits as its factorization.

955089389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 56.

The square root of 955089389 is about 30904.5205269391. The cubic root of 955089389 is about 984.7999246632.

The spelling of 955089389 in words is "nine hundred fifty-five million, eighty-nine thousand, three hundred eighty-nine".