14462321521 has 2 divisors, whose sum is σ = 14462321522. Its totient is φ = 14462321520.

The previous prime is 14462321491. The next prime is 14462321539. The reversal of 14462321521 is 12512326441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10857640000 + 3604681521 = 104200^2 + 60039^2 .

It is a cyclic number.

It is not a de Polignac number, because 14462321521 - 2²¹ = 14460224369 is a prime.

It is not a weakly prime, because it can be changed into another prime (14462328521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7231160760 + 7231160761.

It is an arithmetic number, because the mean of its divisors is an integer number (7231160761).

Almost surely, 2^14462321521 is an apocalyptic number.

It is an amenable number.

14462321521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14462321521 is an equidigital number, since it uses as much as digits as its factorization.

14462321521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

Adding to 14462321521 its reverse (12512326441), we get a palindrome (26974647962).

The spelling of 14462321521 in words is "fourteen billion, four hundred sixty-two million, three hundred twenty-one thousand, five hundred twenty-one".