2686019109 has 8 divisors (see below), whose sum is σ = 3586779552. Its totient is φ = 1787969040.

The previous prime is 2686019099. The next prime is 2686019117. The reversal of 2686019109 is 9019106862.

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

It is not a de Polignac number, because 2686019109 - 2⁹ = 2686018597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686019009) 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, 675279 + ... + 679244.

It is an arithmetic number, because the mean of its divisors is an integer number (448347444).

Almost surely, 2^2686019109 is an apocalyptic number.

It is an amenable number.

2686019109 is a deficient number, since it is larger than the sum of its proper divisors (900760443).

2686019109 is a wasteful number, since it uses less digits than its factorization.

2686019109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355187.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 2686019109 is about 51826.8184340887. The cubic root of 2686019109 is about 1390.0690249180.

The spelling of 2686019109 in words is "two billion, six hundred eighty-six million, nineteen thousand, one hundred nine".