1663244310489 has 8 divisors (see below), whose sum is σ = 2348109614880. Its totient is φ = 1043604273216.

The previous prime is 1663244310443. The next prime is 1663244310499. The reversal of 1663244310489 is 9840134423661.

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

It is not a de Polignac number, because 1663244310489 - 2³² = 1658949343193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 32612633539 = 1663244310489 / (1 + 6 + 6 + 3 + 2 + 4 + 4 + 3 + 1 + 0 + 4 + 8 + 9).

It is not an unprimeable number, because it can be changed into a prime (1663244310499) 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, 16306316719 + ... + 16306316820.

It is an arithmetic number, because the mean of its divisors is an integer number (293513701860).

Almost surely, 2^{1663244310489} is an apocalyptic number.

It is an amenable number.

1663244310489 is a deficient number, since it is larger than the sum of its proper divisors (684865304391).

1663244310489 is a wasteful number, since it uses less digits than its factorization.

1663244310489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32612633559.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 1663244310489 in words is "one trillion, six hundred sixty-three billion, two hundred forty-four million, three hundred ten thousand, four hundred eighty-nine".