13864196217 has 8 divisors (see below), whose sum is σ = 18487756224. Its totient is φ = 9241716848.

The previous prime is 13864196183. The next prime is 13864196221. The reversal of 13864196217 is 71269146831.

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 13864196217 - 2¹⁶ = 13864130681 is a prime.

It is a super-2 number, since 2×13864196217² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13864196237) 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, 239733 + ... + 291890.

It is an arithmetic number, because the mean of its divisors is an integer number (2310969528).

Almost surely, 2^13864196217 is an apocalyptic number.

It is an amenable number.

13864196217 is a deficient number, since it is larger than the sum of its proper divisors (4623560007).

13864196217 is an equidigital number, since it uses as much as digits as its factorization.

13864196217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540319.

The product of its digits is 435456, while the sum is 48.

The spelling of 13864196217 in words is "thirteen billion, eight hundred sixty-four million, one hundred ninety-six thousand, two hundred seventeen".