16063485989 has 4 divisors (see below), whose sum is σ = 16908932640. Its totient is φ = 15218039340.

The previous prime is 16063485947. The next prime is 16063486001. The reversal of 16063485989 is 98958436061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98958436061 = 67 ⋅1476991583.

It is a cyclic number.

It is not a de Polignac number, because 16063485989 - 2²⁸ = 15795050533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16063485689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422723297 + ... + 422723334.

It is an arithmetic number, because the mean of its divisors is an integer number (4227233160).

Almost surely, 2^16063485989 is an apocalyptic number.

16063485989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16063485989 is a deficient number, since it is larger than the sum of its proper divisors (845446651).

16063485989 is an equidigital number, since it uses as much as digits as its factorization.

16063485989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845446650.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 16063485989 in words is "sixteen billion, sixty-three million, four hundred eighty-five thousand, nine hundred eighty-nine".