13044230133421 has 2 divisors, whose sum is σ = 13044230133422. Its totient is φ = 13044230133420.

The previous prime is 13044230133371. The next prime is 13044230133427. The reversal of 13044230133421 is 12433103244031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11747105034025 + 1297125099396 = 3427405^2 + 1138914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13044230133421 is a prime.

It is a super-2 number, since 2×13044230133421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13044230133427) 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, 6522115066710 + 6522115066711.

It is an arithmetic number, because the mean of its divisors is an integer number (6522115066711).

Almost surely, 2^{13044230133421} is an apocalyptic number.

It is an amenable number.

13044230133421 is a deficient number, since it is larger than the sum of its proper divisors (1).

13044230133421 is an equidigital number, since it uses as much as digits as its factorization.

13044230133421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 13044230133421 its reverse (12433103244031), we get a palindrome (25477333377452).

The spelling of 13044230133421 in words is "thirteen trillion, forty-four billion, two hundred thirty million, one hundred thirty-three thousand, four hundred twenty-one".