13243445333541 has 6 divisors (see below), whose sum is σ = 19129421037350. Its totient is φ = 8828963555688.

The previous prime is 13243445333539. The next prime is 13243445333543. The reversal of 13243445333541 is 14533354434231.

13243445333541 is a `hidden beast` number, since 1 + 3 + 2 + 4 + 3 + 44 + 533 + 35 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (13243445333539) and next prime (13243445333543).

It can be written as a sum of positive squares in only one way, i.e., 12946654637316 + 296790696225 = 3598146^2 + 544785^2 .

It is not a de Polignac number, because 13243445333541 - 2¹ = 13243445333539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243445333543) 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 in 5 ways as a sum of consecutive naturals, for example, 735746962966 + ... + 735746962983.

Almost surely, 2^{13243445333541} is an apocalyptic number.

It is an amenable number.

13243445333541 is a deficient number, since it is larger than the sum of its proper divisors (5885975703809).

13243445333541 is a wasteful number, since it uses less digits than its factorization.

13243445333541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471493925955 (or 1471493925952 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 45.

Adding to 13243445333541 its reverse (14533354434231), we get a palindrome (27776799767772).

The spelling of 13243445333541 in words is "thirteen trillion, two hundred forty-three billion, four hundred forty-five million, three hundred thirty-three thousand, five hundred forty-one".