13421444041 has 2 divisors, whose sum is σ = 13421444042. Its totient is φ = 13421444040.

The previous prime is 13421444027. The next prime is 13421444051. The reversal of 13421444041 is 14044412431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13046208400 + 375235641 = 114220^2 + 19371^2 .

It is a cyclic number.

It is not a de Polignac number, because 13421444041 - 2⁷ = 13421443913 is a prime.

It is not a weakly prime, because it can be changed into another prime (13421444051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710722020 + 6710722021.

It is an arithmetic number, because the mean of its divisors is an integer number (6710722021).

Almost surely, 2^13421444041 is an apocalyptic number.

It is an amenable number.

13421444041 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421444041 is an equidigital number, since it uses as much as digits as its factorization.

13421444041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 13421444041 its reverse (14044412431), we get a palindrome (27465856472).

The spelling of 13421444041 in words is "thirteen billion, four hundred twenty-one million, four hundred forty-four thousand, forty-one".