1398494105289 has 12 divisors (see below), whose sum is σ = 2020583338176. Its totient is φ = 932081881752.

The previous prime is 1398494105273. The next prime is 1398494105299. The reversal of 1398494105289 is 9825014948931.

1398494105289 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 4 + 94 + 10 + 528 + 9 = 666.

It is not a de Polignac number, because 1398494105289 - 2⁴ = 1398494105273 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1398494105209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20591029 + ... + 20658834.

It is an arithmetic number, because the mean of its divisors is an integer number (168381944848).

Almost surely, 2^{1398494105289} is an apocalyptic number.

It is an amenable number.

1398494105289 is a deficient number, since it is larger than the sum of its proper divisors (622089232887).

1398494105289 is a wasteful number, since it uses less digits than its factorization.

1398494105289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41253636 (or 41253633 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 1398494105289 in words is "one trillion, three hundred ninety-eight billion, four hundred ninety-four million, one hundred five thousand, two hundred eighty-nine".