13421144941 has 2 divisors, whose sum is σ = 13421144942. Its totient is φ = 13421144940.

The previous prime is 13421144899. The next prime is 13421145011. The reversal of 13421144941 is 14944112431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9210432841 + 4210712100 = 95971^2 + 64890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13421144941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13421144897 and 13421144906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13421144641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710572470 + 6710572471.

It is an arithmetic number, because the mean of its divisors is an integer number (6710572471).

Almost surely, 2^13421144941 is an apocalyptic number.

It is an amenable number.

13421144941 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421144941 is an equidigital number, since it uses as much as digits as its factorization.

13421144941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The spelling of 13421144941 in words is "thirteen billion, four hundred twenty-one million, one hundred forty-four thousand, nine hundred forty-one".