14478911999 has 8 divisors (see below), whose sum is σ = 15114460032. Its totient is φ = 13843866520.

The previous prime is 14478911963. The next prime is 14478912001. The reversal of 14478911999 is 99911987441.

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

It is not a de Polignac number, because 14478911999 - 2¹² = 14478907903 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 (14478911099) 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, 66149 + ... + 182574.

It is an arithmetic number, because the mean of its divisors is an integer number (1889307504).

Almost surely, 2^14478911999 is an apocalyptic number.

14478911999 is a deficient number, since it is larger than the sum of its proper divisors (635548033).

14478911999 is a wasteful number, since it uses less digits than its factorization.

14478911999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251277.

The product of its digits is 5878656, while the sum is 62.

The spelling of 14478911999 in words is "fourteen billion, four hundred seventy-eight million, nine hundred eleven thousand, nine hundred ninety-nine".