2148802289 has 2 divisors, whose sum is σ = 2148802290. Its totient is φ = 2148802288.

The previous prime is 2148802273. The next prime is 2148802319. The reversal of 2148802289 is 9822088412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1271635600 + 877166689 = 35660^2 + 29617^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148802289 - 2⁴ = 2148802273 is a prime.

It is a super-3 number, since 3×2148802289³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2148802889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074401144 + 1074401145.

It is an arithmetic number, because the mean of its divisors is an integer number (1074401145).

Almost surely, 2^2148802289 is an apocalyptic number.

It is an amenable number.

2148802289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148802289 is an equidigital number, since it uses as much as digits as its factorization.

2148802289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 2148802289 is about 46355.1754284244. The cubic root of 2148802289 is about 1290.4231708650.

The spelling of 2148802289 in words is "two billion, one hundred forty-eight million, eight hundred two thousand, two hundred eighty-nine".