14159679409 has 4 divisors (see below), whose sum is σ = 14160230640. Its totient is φ = 14159128180.

The previous prime is 14159679407. The next prime is 14159679427. The reversal of 14159679409 is 90497695141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14159679409 - 2¹ = 14159679407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14159679409.

It is not an unprimeable number, because it can be changed into a prime (14159679407) 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, 235099 + ... + 289120.

It is an arithmetic number, because the mean of its divisors is an integer number (3540057660).

Almost surely, 2^14159679409 is an apocalyptic number.

It is an amenable number.

14159679409 is a deficient number, since it is larger than the sum of its proper divisors (551231).

14159679409 is an equidigital number, since it uses as much as digits as its factorization.

14159679409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551230.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 14159679409 in words is "fourteen billion, one hundred fifty-nine million, six hundred seventy-nine thousand, four hundred nine".