1298109598339 has 4 divisors (see below), whose sum is σ = 1298888310024. Its totient is φ = 1297330886656.

The previous prime is 1298109598267. The next prime is 1298109598349. The reversal of 1298109598339 is 9338959018921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1298109598339 - 2⁷ = 1298109598211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1298109598349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389353342 + ... + 389356675.

It is an arithmetic number, because the mean of its divisors is an integer number (324722077506).

Almost surely, 2^{1298109598339} is an apocalyptic number.

1298109598339 is a deficient number, since it is larger than the sum of its proper divisors (778711685).

1298109598339 is an equidigital number, since it uses as much as digits as its factorization.

1298109598339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778711684.

The product of its (nonzero) digits is 37791360, while the sum is 67.

The spelling of 1298109598339 in words is "one trillion, two hundred ninety-eight billion, one hundred nine million, five hundred ninety-eight thousand, three hundred thirty-nine".