13864502613 has 48 divisors (see below), whose sum is σ = 20861824320. Its totient is φ = 8176476672.

The previous prime is 13864502611. The next prime is 13864502621. The reversal of 13864502613 is 31620546831.

13864502613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13864502613 - 2¹ = 13864502611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13864502611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2010870 + ... + 2017752.

It is an arithmetic number, because the mean of its divisors is an integer number (434621340).

Almost surely, 2^13864502613 is an apocalyptic number.

13864502613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13864502613 is a deficient number, since it is larger than the sum of its proper divisors (6997321707).

13864502613 is a wasteful number, since it uses less digits than its factorization.

13864502613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078 (or 7065 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 13864502613 in words is "thirteen billion, eight hundred sixty-four million, five hundred two thousand, six hundred thirteen".