14504077991 has 4 divisors (see below), whose sum is σ = 15619776312. Its totient is φ = 13388379672.

The previous prime is 14504077979. The next prime is 14504078011. The reversal of 14504077991 is 19977040541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19977040541 = 111893 ⋅178537.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14504077991 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 (14504077591) 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, 557849141 + ... + 557849166.

It is an arithmetic number, because the mean of its divisors is an integer number (3904944078).

Almost surely, 2^14504077991 is an apocalyptic number.

14504077991 is a deficient number, since it is larger than the sum of its proper divisors (1115698321).

14504077991 is a wasteful number, since it uses less digits than its factorization.

14504077991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115698320.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 14504077991 in words is "fourteen billion, five hundred four million, seventy-seven thousand, nine hundred ninety-one".