1489666608193 has 8 divisors (see below), whose sum is σ = 1490080736648. Its totient is φ = 1489252552704.

The previous prime is 1489666608169. The next prime is 1489666608229. The reversal of 1489666608193 is 3918066669841.

It can be written as a sum of positive squares in 4 ways, for example, as 14092776369 + 1475573831824 = 118713^2 + 1214732^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1489666608193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1489666608103) 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, 81335605 + ... + 81353917.

It is an arithmetic number, because the mean of its divisors is an integer number (186260092081).

Almost surely, 2^{1489666608193} is an apocalyptic number.

It is an amenable number.

1489666608193 is a deficient number, since it is larger than the sum of its proper divisors (414128455).

1489666608193 is a wasteful number, since it uses less digits than its factorization.

1489666608193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36483.

The product of its (nonzero) digits is 80621568, while the sum is 67.

The spelling of 1489666608193 in words is "one trillion, four hundred eighty-nine billion, six hundred sixty-six million, six hundred eight thousand, one hundred ninety-three".