2681118487 has 4 divisors (see below), whose sum is σ = 2797688880. Its totient is φ = 2564548096.

The previous prime is 2681118439. The next prime is 2681118529. The reversal of 2681118487 is 7848111862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7848111862 = 2 ⋅3924055931.

It is a cyclic number.

It is not a de Polignac number, because 2681118487 - 2²³ = 2672729879 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 (2681118437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58285162 + ... + 58285207.

It is an arithmetic number, because the mean of its divisors is an integer number (699422220).

Almost surely, 2^2681118487 is an apocalyptic number.

2681118487 is a deficient number, since it is larger than the sum of its proper divisors (116570393).

2681118487 is a wasteful number, since it uses less digits than its factorization.

2681118487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116570392.

The product of its digits is 172032, while the sum is 46.

The square root of 2681118487 is about 51779.5180259531. The cubic root of 2681118487 is about 1389.2231200415.

The spelling of 2681118487 in words is "two billion, six hundred eighty-one million, one hundred eighteen thousand, four hundred eighty-seven".