1098490508589 has 16 divisors (see below), whose sum is σ = 1501590404160. Its totient is φ = 713887693440.

The previous prime is 1098490508581. The next prime is 1098490508603. The reversal of 1098490508589 is 9858050948901.

It is not a de Polignac number, because 1098490508589 - 2³ = 1098490508581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098490508581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3457719 + ... + 3762020.

It is an arithmetic number, because the mean of its divisors is an integer number (93849400260).

Almost surely, 2^{1098490508589} is an apocalyptic number.

It is an amenable number.

1098490508589 is a deficient number, since it is larger than the sum of its proper divisors (403099895571).

1098490508589 is a wasteful number, since it uses less digits than its factorization.

1098490508589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221020.

The product of its (nonzero) digits is 37324800, while the sum is 66.

The spelling of 1098490508589 in words is "one trillion, ninety-eight billion, four hundred ninety million, five hundred eight thousand, five hundred eighty-nine".