14539050691 has 4 divisors (see below), whose sum is σ = 15860782584. Its totient is φ = 13217318800.

The previous prime is 14539050689. The next prime is 14539050703. The reversal of 14539050691 is 19605093541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14539050691 - 2¹ = 14539050689 is a prime.

It is a super-2 number, since 2×14539050691² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14539050671) 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, 660865930 + ... + 660865951.

It is an arithmetic number, because the mean of its divisors is an integer number (3965195646).

Almost surely, 2^14539050691 is an apocalyptic number.

14539050691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14539050691 is a deficient number, since it is larger than the sum of its proper divisors (1321731893).

14539050691 is a wasteful number, since it uses less digits than its factorization.

14539050691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321731892.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 14539050691 in words is "fourteen billion, five hundred thirty-nine million, fifty thousand, six hundred ninety-one".