14202045421 has 2 divisors, whose sum is σ = 14202045422. Its totient is φ = 14202045420.

The previous prime is 14202045401. The next prime is 14202045427. The reversal of 14202045421 is 12454020241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13931080900 + 270964521 = 118030^2 + 16461^2 .

It is a cyclic number.

It is not a de Polignac number, because 14202045421 - 2¹⁹ = 14201521133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14202045427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7101022710 + 7101022711.

It is an arithmetic number, because the mean of its divisors is an integer number (7101022711).

Almost surely, 2^14202045421 is an apocalyptic number.

It is an amenable number.

14202045421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14202045421 is an equidigital number, since it uses as much as digits as its factorization.

14202045421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 14202045421 its reverse (12454020241), we get a palindrome (26656065662).

The spelling of 14202045421 in words is "fourteen billion, two hundred two million, forty-five thousand, four hundred twenty-one".