2686542916 has 24 divisors (see below), whose sum is σ = 4830968576. Its totient is φ = 1306303200.

The previous prime is 2686542913. The next prime is 2686542961. The reversal of 2686542916 is 6192456862.

It is a self number, because there is not a number n which added to its sum of digits gives 2686542916.

It is not an unprimeable number, because it can be changed into a prime (2686542913) 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, 418765 + ... + 425131.

Almost surely, 2^2686542916 is an apocalyptic number.

It is an amenable number.

2686542916 is a deficient number, since it is larger than the sum of its proper divisors (2144425660).

2686542916 is a wasteful number, since it uses less digits than its factorization.

2686542916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259 (or 9257 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 2686542916 is about 51831.8716235484. The cubic root of 2686542916 is about 1390.1593792714.

The spelling of 2686542916 in words is "two billion, six hundred eighty-six million, five hundred forty-two thousand, nine hundred sixteen".