14055432421 has 4 divisors (see below), whose sum is σ = 14057356492. Its totient is φ = 14053508352.

The previous prime is 14055432373. The next prime is 14055432487. The reversal of 14055432421 is 12423455041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12423455041 = 17 ⋅730791473.

It can be written as a sum of positive squares in 2 ways, for example, as 129072321 + 13926360100 = 11361^2 + 118010^2 .

It is a cyclic number.

It is not a de Polignac number, because 14055432421 - 2¹⁵ = 14055399653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14055432491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951036 + ... + 965701.

It is an arithmetic number, because the mean of its divisors is an integer number (3514339123).

Almost surely, 2^14055432421 is an apocalyptic number.

It is an amenable number.

14055432421 is a deficient number, since it is larger than the sum of its proper divisors (1924071).

14055432421 is an equidigital number, since it uses as much as digits as its factorization.

14055432421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924070.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 14055432421 its reverse (12423455041), we get a palindrome (26478887462).

The spelling of 14055432421 in words is "fourteen billion, fifty-five million, four hundred thirty-two thousand, four hundred twenty-one".