14775190989 has 32 divisors (see below), whose sum is σ = 22408821120. Its totient is φ = 8584351488.

The previous prime is 14775190981. The next prime is 14775191003. The reversal of 14775190989 is 98909157741.

It is not a de Polignac number, because 14775190989 - 2³ = 14775190981 is a prime.

It is a super-2 number, since 2×14775190989² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14775190981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183087 + ... + 251139.

It is an arithmetic number, because the mean of its divisors is an integer number (700275660).

Almost surely, 2^14775190989 is an apocalyptic number.

14775190989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14775190989 is a deficient number, since it is larger than the sum of its proper divisors (7633630131).

14775190989 is a wasteful number, since it uses less digits than its factorization.

14775190989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68381.

The product of its (nonzero) digits is 5715360, while the sum is 60.

The spelling of 14775190989 in words is "fourteen billion, seven hundred seventy-five million, one hundred ninety thousand, nine hundred eighty-nine".