1489027847681 has 8 divisors (see below), whose sum is σ = 1719946605024. Its totient is φ = 1274034521920.

The previous prime is 1489027847651. The next prime is 1489027847683. The reversal of 1489027847681 is 1867487209841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1489027847681 - 2³⁰ = 1487954105857 is a prime.

It is a super-2 number, since 2×1489027847681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1489027847683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3981357695 + ... + 3981358068.

It is an arithmetic number, because the mean of its divisors is an integer number (214993325628).

Almost surely, 2^{1489027847681} is an apocalyptic number.

1489027847681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1489027847681 is a deficient number, since it is larger than the sum of its proper divisors (230918757343).

1489027847681 is a wasteful number, since it uses less digits than its factorization.

1489027847681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7962715791.

The product of its (nonzero) digits is 43352064, while the sum is 65.

The spelling of 1489027847681 in words is "one trillion, four hundred eighty-nine billion, twenty-seven million, eight hundred forty-seven thousand, six hundred eighty-one".