13505468943 has 16 divisors (see below), whose sum is σ = 18135613440. Its totient is φ = 8939698464.

The previous prime is 13505468929. The next prime is 13505468947. The reversal of 13505468943 is 34986450531.

It is not a de Polignac number, because 13505468943 - 2⁸ = 13505468687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13505468892 and 13505468901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13505468947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229873 + ... + 282581.

It is an arithmetic number, because the mean of its divisors is an integer number (1133475840).

Almost surely, 2^13505468943 is an apocalyptic number.

13505468943 is a deficient number, since it is larger than the sum of its proper divisors (4630144497).

13505468943 is a wasteful number, since it uses less digits than its factorization.

13505468943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53318.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 13505468943 in words is "thirteen billion, five hundred five million, four hundred sixty-eight thousand, nine hundred forty-three".