1489789342287 has 24 divisors (see below), whose sum is σ = 2165761097760. Its totient is φ = 986804544960.

The previous prime is 1489789342253. The next prime is 1489789342309. The reversal of 1489789342287 is 7822439879841.

1489789342287 is a `hidden beast` number, since 1 + 48 + 9 + 7 + 89 + 3 + 422 + 87 = 666.

It is not a de Polignac number, because 1489789342287 - 2¹⁴ = 1489789325903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489789342187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36747414 + ... + 36787932.

It is an arithmetic number, because the mean of its divisors is an integer number (90240045740).

Almost surely, 2^{1489789342287} is an apocalyptic number.

1489789342287 is a deficient number, since it is larger than the sum of its proper divisors (675971755473).

1489789342287 is a wasteful number, since it uses less digits than its factorization.

1489789342287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66703 (or 66700 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 72.

The spelling of 1489789342287 in words is "one trillion, four hundred eighty-nine billion, seven hundred eighty-nine million, three hundred forty-two thousand, two hundred eighty-seven".