1289383214465 has 8 divisors (see below), whose sum is σ = 1547268220800. Its totient is φ = 1031500995952.

The previous prime is 1289383214443. The next prime is 1289383214477. The reversal of 1289383214465 is 5644123839821.

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 1289383214465 - 2⁶ = 1289383214401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1289383214465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510842 + ... + 1685148.

It is an arithmetic number, because the mean of its divisors is an integer number (193408527600).

Almost surely, 2^{1289383214465} is an apocalyptic number.

It is an amenable number.

1289383214465 is a deficient number, since it is larger than the sum of its proper divisors (257885006335).

1289383214465 is a wasteful number, since it uses less digits than its factorization.

1289383214465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393911.

The product of its digits is 9953280, while the sum is 56.

The spelling of 1289383214465 in words is "one trillion, two hundred eighty-nine billion, three hundred eighty-three million, two hundred fourteen thousand, four hundred sixty-five".