2918789089 has 2 divisors, whose sum is σ = 2918789090. Its totient is φ = 2918789088.

The previous prime is 2918789053. The next prime is 2918789119. The reversal of 2918789089 is 9809878192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2205899089 + 712890000 = 46967^2 + 26700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2918789089 - 2¹³ = 2918780897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2918789009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459394544 + 1459394545.

It is an arithmetic number, because the mean of its divisors is an integer number (1459394545).

Almost surely, 2^2918789089 is an apocalyptic number.

It is an amenable number.

2918789089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2918789089 is an equidigital number, since it uses as much as digits as its factorization.

2918789089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 61.

The square root of 2918789089 is about 54025.8187258648. The cubic root of 2918789089 is about 1429.1162957417.

The spelling of 2918789089 in words is "two billion, nine hundred eighteen million, seven hundred eighty-nine thousand, eighty-nine".