13421210441 has 2 divisors, whose sum is σ = 13421210442. Its totient is φ = 13421210440.

The previous prime is 13421210431. The next prime is 13421210459. The reversal of 13421210441 is 14401212431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7760905216 + 5660305225 = 88096^2 + 75235^2 .

It is a cyclic number.

It is not a de Polignac number, because 13421210441 - 2²⁶ = 13354101577 is a prime.

It is not a weakly prime, because it can be changed into another prime (13421210431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710605220 + 6710605221.

It is an arithmetic number, because the mean of its divisors is an integer number (6710605221).

Almost surely, 2^13421210441 is an apocalyptic number.

It is an amenable number.

13421210441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421210441 is an equidigital number, since it uses as much as digits as its factorization.

13421210441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 13421210441 its reverse (14401212431), we get a palindrome (27822422872).

The spelling of 13421210441 in words is "thirteen billion, four hundred twenty-one million, two hundred ten thousand, four hundred forty-one".