13443404541 has 32 divisors (see below), whose sum is σ = 21492719616. Its totient is φ = 7312248000.

The previous prime is 13443404539. The next prime is 13443404549. The reversal of 13443404541 is 14540434431.

It is not a de Polignac number, because 13443404541 - 2¹ = 13443404539 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443404549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129555 + ... + 208976.

It is an arithmetic number, because the mean of its divisors is an integer number (671647488).

Almost surely, 2^13443404541 is an apocalyptic number.

It is an amenable number.

13443404541 is a deficient number, since it is larger than the sum of its proper divisors (8049315075).

13443404541 is a wasteful number, since it uses less digits than its factorization.

13443404541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338633.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 13443404541 its reverse (14540434431), we get a palindrome (27983838972).

The spelling of 13443404541 in words is "thirteen billion, four hundred forty-three million, four hundred four thousand, five hundred forty-one".