14152223353421 has 2 divisors, whose sum is σ = 14152223353422. Its totient is φ = 14152223353420.

The previous prime is 14152223353369. The next prime is 14152223353427. The reversal of 14152223353421 is 12435332225141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14148205188100 + 4018165321 = 3761410^2 + 63389^2 .

It is a cyclic number.

It is not a de Polignac number, because 14152223353421 - 2¹⁴ = 14152223337037 is a prime.

It is a super-2 number, since 2×14152223353421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14152223353427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7076111676710 + 7076111676711.

It is an arithmetic number, because the mean of its divisors is an integer number (7076111676711).

Almost surely, 2^{14152223353421} is an apocalyptic number.

It is an amenable number.

14152223353421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14152223353421 is an equidigital number, since it uses as much as digits as its factorization.

14152223353421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 38.

Adding to 14152223353421 its reverse (12435332225141), we get a palindrome (26587555578562).

The spelling of 14152223353421 in words is "fourteen trillion, one hundred fifty-two billion, two hundred twenty-three million, three hundred fifty-three thousand, four hundred twenty-one".