14342355521 has 12 divisors (see below), whose sum is σ = 15556778028. Its totient is φ = 13216679424.

The previous prime is 14342355481. The next prime is 14342355569. The reversal of 14342355521 is 12555324341.

It can be written as a sum of positive squares in 6 ways, for example, as 6285318400 + 8057037121 = 79280^2 + 89761^2 .

It is not a de Polignac number, because 14342355521 - 2⁶ = 14342355457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14342358521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28661 + ... + 171773.

It is an arithmetic number, because the mean of its divisors is an integer number (1296398169).

Almost surely, 2^14342355521 is an apocalyptic number.

It is an amenable number.

14342355521 is a deficient number, since it is larger than the sum of its proper divisors (1214422507).

14342355521 is a wasteful number, since it uses less digits than its factorization.

14342355521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143732 (or 143719 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

Adding to 14342355521 its reverse (12555324341), we get a palindrome (26897679862).

The spelling of 14342355521 in words is "fourteen billion, three hundred forty-two million, three hundred fifty-five thousand, five hundred twenty-one".