14306791321 has 3 divisors (see below), whose sum is σ = 14306910933. Its totient is φ = 14306671710.

The previous prime is 14306791309. The next prime is 14306791363. The reversal of 14306791321 is 12319760341.

The square root of 14306791321 is 119611.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 14306791321 - 2¹³ = 14306783129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14306791391) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 59806 + ... + 179416.

It is an arithmetic number, because the mean of its divisors is an integer number (4768970311).

Almost surely, 2^14306791321 is an apocalyptic number.

14306791321 is the 119611-st square number.

14306791321 is the 59806-th centered octagonal number.

It is an amenable number.

14306791321 is a deficient number, since it is larger than the sum of its proper divisors (119612).

14306791321 is an frugal number, since it uses more digits than its factorization.

14306791321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239222 (or 119611 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 14306791321 in words is "fourteen billion, three hundred six million, seven hundred ninety-one thousand, three hundred twenty-one".