14476345721 has 4 divisors (see below), whose sum is σ = 14476883700. Its totient is φ = 14475807744.

The previous prime is 14476345711. The next prime is 14476345739. The reversal of 14476345721 is 12754367441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11419914496 + 3056431225 = 106864^2 + 55285^2 .

It is a cyclic number.

It is not a de Polignac number, because 14476345721 - 2¹⁴ = 14476329337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14476345711) 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, 226376 + ... + 283193.

It is an arithmetic number, because the mean of its divisors is an integer number (3619220925).

Almost surely, 2^14476345721 is an apocalyptic number.

It is an amenable number.

14476345721 is a deficient number, since it is larger than the sum of its proper divisors (537979).

14476345721 is an equidigital number, since it uses as much as digits as its factorization.

14476345721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537978.

The product of its digits is 564480, while the sum is 44.

The spelling of 14476345721 in words is "fourteen billion, four hundred seventy-six million, three hundred forty-five thousand, seven hundred twenty-one".