13420744513 has 16 divisors (see below), whose sum is σ = 15313779072. Its totient is φ = 11642400000.

The previous prime is 13420744501. The next prime is 13420744517. The reversal of 13420744513 is 31544702431.

It is not a de Polignac number, because 13420744513 - 2²⁵ = 13387190081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13420744517) 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, 43513 + ... + 169513.

It is an arithmetic number, because the mean of its divisors is an integer number (957111192).

Almost surely, 2^13420744513 is an apocalyptic number.

It is an amenable number.

13420744513 is a deficient number, since it is larger than the sum of its proper divisors (1893034559).

13420744513 is a wasteful number, since it uses less digits than its factorization.

13420744513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126456.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 13420744513 in words is "thirteen billion, four hundred twenty million, seven hundred forty-four thousand, five hundred thirteen".