13816640513 has 8 divisors (see below), whose sum is σ = 14883051456. Its totient is φ = 12750742800.

The previous prime is 13816640489. The next prime is 13816640561. The reversal of 13816640513 is 31504661831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13816640513 - 2¹⁰ = 13816639489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13816646513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71453 + ... + 180938.

It is an arithmetic number, because the mean of its divisors is an integer number (1860381432).

Almost surely, 2^13816640513 is an apocalyptic number.

13816640513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13816640513 is a deficient number, since it is larger than the sum of its proper divisors (1066410943).

13816640513 is a wasteful number, since it uses less digits than its factorization.

13816640513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256615.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 13816640513 in words is "thirteen billion, eight hundred sixteen million, six hundred forty thousand, five hundred thirteen".