13618368869 has 8 divisors (see below), whose sum is σ = 15564570048. Its totient is φ = 11672347680.

The previous prime is 13618368847. The next prime is 13618368893. The reversal of 13618368869 is 96886381631.

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

It is not a de Polignac number, because 13618368869 - 2³² = 9323401573 is a prime.

It is a super-2 number, since 2×13618368869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13618364869) 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, 225809 + ... + 279689.

It is an arithmetic number, because the mean of its divisors is an integer number (1945571256).

Almost surely, 2^13618368869 is an apocalyptic number.

It is an amenable number.

13618368869 is a deficient number, since it is larger than the sum of its proper divisors (1946201179).

13618368869 is an equidigital number, since it uses as much as digits as its factorization.

13618368869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89995.

The product of its digits is 8957952, while the sum is 59.

The spelling of 13618368869 in words is "thirteen billion, six hundred eighteen million, three hundred sixty-eight thousand, eight hundred sixty-nine".