14272422521 has 12 divisors (see below), whose sum is σ = 16611935220. Its totient is φ = 12226636800.

The previous prime is 14272422487. The next prime is 14272422533. The reversal of 14272422521 is 12522427241.

It can be written as a sum of positive squares in 2 ways, for example, as 4739634025 + 9532788496 = 68845^2 + 97636^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14272422521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14272422581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7385 + ... + 169113.

It is an arithmetic number, because the mean of its divisors is an integer number (1384327935).

Almost surely, 2^14272422521 is an apocalyptic number.

It is an amenable number.

14272422521 is a deficient number, since it is larger than the sum of its proper divisors (2339512699).

14272422521 is a wasteful number, since it uses less digits than its factorization.

14272422521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163544 (or 163537 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

Adding to 14272422521 its reverse (12522427241), we get a palindrome (26794849762).

The spelling of 14272422521 in words is "fourteen billion, two hundred seventy-two million, four hundred twenty-two thousand, five hundred twenty-one".