2687668535 has 16 divisors (see below), whose sum is σ = 3330865152. Its totient is φ = 2079760800.

The previous prime is 2687668523. The next prime is 2687668537. The reversal of 2687668535 is 5358667862.

It is not a de Polignac number, because 2687668535 - 2⁶ = 2687668471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687668537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538622 + ... + 543588.

It is an arithmetic number, because the mean of its divisors is an integer number (208179072).

Almost surely, 2^2687668535 is an apocalyptic number.

2687668535 is a deficient number, since it is larger than the sum of its proper divisors (643196617).

2687668535 is a wasteful number, since it uses less digits than its factorization.

2687668535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8494.

The product of its digits is 14515200, while the sum is 56.

The square root of 2687668535 is about 51842.7288537168. The cubic root of 2687668535 is about 1390.3535037614.

The spelling of 2687668535 in words is "two billion, six hundred eighty-seven million, six hundred sixty-eight thousand, five hundred thirty-five".