13421420027 has 2 divisors, whose sum is σ = 13421420028. Its totient is φ = 13421420026.

The previous prime is 13421420011. The next prime is 13421420039. The reversal of 13421420027 is 72002412431.

It is a strong prime.

It is an emirp because it is prime and its reverse (72002412431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13421420027 - 2⁴ = 13421420011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13421419978 and 13421420005.

It is not a weakly prime, because it can be changed into another prime (13421420057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710710013 + 6710710014.

It is an arithmetic number, because the mean of its divisors is an integer number (6710710014).

Almost surely, 2^13421420027 is an apocalyptic number.

13421420027 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421420027 is an equidigital number, since it uses as much as digits as its factorization.

13421420027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 13421420027 its reverse (72002412431), we get a palindrome (85423832458).

The spelling of 13421420027 in words is "thirteen billion, four hundred twenty-one million, four hundred twenty thousand, twenty-seven".