14296978321 has 4 divisors (see below), whose sum is σ = 14303287152. Its totient is φ = 14290669492.

The previous prime is 14296978277. The next prime is 14296978331. The reversal of 14296978321 is 12387969241.

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 14296978321 - 2⁷ = 14296978193 is a prime.

It is a super-2 number, since 2×14296978321² (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 (14296978331) 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, 3151015 + ... + 3155548.

It is an arithmetic number, because the mean of its divisors is an integer number (3575821788).

Almost surely, 2^14296978321 is an apocalyptic number.

It is an amenable number.

14296978321 is a deficient number, since it is larger than the sum of its proper divisors (6308831).

14296978321 is an equidigital number, since it uses as much as digits as its factorization.

14296978321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308830.

The product of its digits is 1306368, while the sum is 52.

The spelling of 14296978321 in words is "fourteen billion, two hundred ninety-six million, nine hundred seventy-eight thousand, three hundred twenty-one".