14134040452421 has 2 divisors, whose sum is σ = 14134040452422. Its totient is φ = 14134040452420.

The previous prime is 14134040452417. The next prime is 14134040452447. The reversal of 14134040452421 is 12425404043141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8545478260225 + 5588562192196 = 2923265^2 + 2364014^2 .

It is an emirp because it is prime and its reverse (12425404043141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14134040452421 - 2² = 14134040452417 is a prime.

It is a super-2 number, since 2×14134040452421² (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 (14134040452451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7067020226210 + 7067020226211.

It is an arithmetic number, because the mean of its divisors is an integer number (7067020226211).

Almost surely, 2^{14134040452421} is an apocalyptic number.

It is an amenable number.

14134040452421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14134040452421 is an equidigital number, since it uses as much as digits as its factorization.

14134040452421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 14134040452421 its reverse (12425404043141), we get a palindrome (26559444495562).

The spelling of 14134040452421 in words is "fourteen trillion, one hundred thirty-four billion, forty million, four hundred fifty-two thousand, four hundred twenty-one".