14516805989 has 4 divisors (see below), whose sum is σ = 16590635424. Its totient is φ = 12442976556.

The previous prime is 14516805983. The next prime is 14516805997. The reversal of 14516805989 is 98950861541.

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: 98950861541 = 7 ⋅14135837363.

It is a cyclic number.

It is not a de Polignac number, because 14516805989 - 2⁴ = 14516805973 is a prime.

It is a super-2 number, since 2×14516805989² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14516805983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036914707 + ... + 1036914720.

It is an arithmetic number, because the mean of its divisors is an integer number (4147658856).

Almost surely, 2^14516805989 is an apocalyptic number.

It is an amenable number.

14516805989 is a deficient number, since it is larger than the sum of its proper divisors (2073829435).

14516805989 is an equidigital number, since it uses as much as digits as its factorization.

14516805989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073829434.

The product of its (nonzero) digits is 3110400, while the sum is 56.

The spelling of 14516805989 in words is "fourteen billion, five hundred sixteen million, eight hundred five thousand, nine hundred eighty-nine".