2773433989 has 2 divisors, whose sum is σ = 2773433990. Its totient is φ = 2773433988.

The previous prime is 2773433987. The next prime is 2773434019. The reversal of 2773433989 is 9893343772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2385540964 + 387893025 = 48842^2 + 19695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2773433989 - 2¹ = 2773433987 is a prime.

Together with 2773433987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2773433983) 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, 1386716994 + 1386716995.

It is an arithmetic number, because the mean of its divisors is an integer number (1386716995).

Almost surely, 2^2773433989 is an apocalyptic number.

It is an amenable number.

2773433989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2773433989 is an equidigital number, since it uses as much as digits as its factorization.

2773433989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6858432, while the sum is 55.

The square root of 2773433989 is about 52663.4027480185. The cubic root of 2773433989 is about 1404.9879878914.

The spelling of 2773433989 in words is "two billion, seven hundred seventy-three million, four hundred thirty-three thousand, nine hundred eighty-nine".