2209238489389 has 2 divisors, whose sum is σ = 2209238489390. Its totient is φ = 2209238489388.

The previous prime is 2209238489371. The next prime is 2209238489417. The reversal of 2209238489389 is 9839848329022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2030083536100 + 179154953289 = 1424810^2 + 423267^2 .

It is a cyclic number.

It is not a de Polignac number, because 2209238489389 - 2²⁹ = 2208701618477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2209238489989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104619244694 + 1104619244695.

It is an arithmetic number, because the mean of its divisors is an integer number (1104619244695).

Almost surely, 2^{2209238489389} is an apocalyptic number.

It is an amenable number.

2209238489389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209238489389 is an equidigital number, since it uses as much as digits as its factorization.

2209238489389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107495424, while the sum is 67.

The spelling of 2209238489389 in words is "two trillion, two hundred nine billion, two hundred thirty-eight million, four hundred eighty-nine thousand, three hundred eighty-nine".