13913043464403 has 32 divisors (see below), whose sum is σ = 20652650105600. Its totient is φ = 9257034362688.

The previous prime is 13913043464401. The next prime is 13913043464431. The reversal of 13913043464403 is 30446434031931.

It is a happy number.

13913043464403 is a `hidden beast` number, since 1 + 3 + 91 + 30 + 434 + 64 + 40 + 3 = 666.

It is not a de Polignac number, because 13913043464403 - 2¹ = 13913043464401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13913043464401) 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, 399564528 + ... + 399599346.

It is an arithmetic number, because the mean of its divisors is an integer number (645395315800).

Almost surely, 2^{13913043464403} is an apocalyptic number.

13913043464403 is a deficient number, since it is larger than the sum of its proper divisors (6739606641197).

13913043464403 is a wasteful number, since it uses less digits than its factorization.

13913043464403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63648 (or 63642 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

The spelling of 13913043464403 in words is "thirteen trillion, nine hundred thirteen billion, forty-three million, four hundred sixty-four thousand, four hundred three".