14093721509 has 8 divisors (see below), whose sum is σ = 16110305088. Its totient is φ = 12077936640.

The previous prime is 14093721503. The next prime is 14093721527. The reversal of 14093721509 is 90512739041.

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

It is not a de Polignac number, because 14093721509 - 2⁴ = 14093721493 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 (14093721503) 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, 161372 + ... + 232869.

It is an arithmetic number, because the mean of its divisors is an integer number (2013788136).

Almost surely, 2^14093721509 is an apocalyptic number.

It is an amenable number.

14093721509 is a deficient number, since it is larger than the sum of its proper divisors (2016583579).

14093721509 is an equidigital number, since it uses as much as digits as its factorization.

14093721509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399355.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 14093721509 in words is "fourteen billion, ninety-three million, seven hundred twenty-one thousand, five hundred nine".