1197959988289 has 2 divisors, whose sum is σ = 1197959988290. Its totient is φ = 1197959988288.

The previous prime is 1197959988209. The next prime is 1197959988299. The reversal of 1197959988289 is 9828899597911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761488352689 + 436471635600 = 872633^2 + 660660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1197959988289 - 2¹⁷ = 1197959857217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1197959988209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598979994144 + 598979994145.

It is an arithmetic number, because the mean of its divisors is an integer number (598979994145).

Almost surely, 2^{1197959988289} is an apocalyptic number.

It is an amenable number.

1197959988289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197959988289 is an equidigital number, since it uses as much as digits as its factorization.

1197959988289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116316160, while the sum is 85.

The spelling of 1197959988289 in words is "one trillion, one hundred ninety-seven billion, nine hundred fifty-nine million, nine hundred eighty-eight thousand, two hundred eighty-nine".