18869759999999 has 8 divisors (see below), whose sum is σ = 18998327749632. Its totient is φ = 18741348376920.

The previous prime is 18869759999957. The next prime is 18869760000011. The reversal of 18869759999999 is 99999995796881.

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 18869759999999 - 2¹² = 18869759995903 is a prime.

It is a Duffinian number.

18869759999999 is a modest number, since divided by 9999999 gives 1886975 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 18869759999896 and 18869759999905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18869759999099) 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, 38789087 + ... + 39272544.

It is an arithmetic number, because the mean of its divisors is an integer number (2374790968704).

Almost surely, 2^{18869759999999} is an apocalyptic number.

18869759999999 is a deficient number, since it is larger than the sum of its proper divisors (128567749633).

18869759999999 is a wasteful number, since it uses less digits than its factorization.

18869759999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78063277.

The product of its digits is 578547930240, while the sum is 107.

The spelling of 18869759999999 in words is "eighteen trillion, eight hundred sixty-nine billion, seven hundred fifty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".