2801192489 has 2 divisors, whose sum is σ = 2801192490. Its totient is φ = 2801192488.

The previous prime is 2801192453. The next prime is 2801192491. The reversal of 2801192489 is 9842911082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2429011225 + 372181264 = 49285^2 + 19292^2 .

It is a cyclic number.

It is not a de Polignac number, because 2801192489 - 2¹² = 2801188393 is a prime.

Together with 2801192491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2801192419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400596244 + 1400596245.

It is an arithmetic number, because the mean of its divisors is an integer number (1400596245).

Almost surely, 2^2801192489 is an apocalyptic number.

It is an amenable number.

2801192489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2801192489 is an equidigital number, since it uses as much as digits as its factorization.

2801192489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 2801192489 is about 52926.2929837335. The cubic root of 2801192489 is about 1409.6598091146.

The spelling of 2801192489 in words is "two billion, eight hundred one million, one hundred ninety-two thousand, four hundred eighty-nine".