2687111422 has 4 divisors (see below), whose sum is σ = 4030667136. Its totient is φ = 1343555710.

The previous prime is 2687111389. The next prime is 2687111473. The reversal of 2687111422 is 2241117862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2241117862 = 2 ⋅1120558931.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 671777854 + ... + 671777857.

It is an arithmetic number, because the mean of its divisors is an integer number (1007666784).

Almost surely, 2^2687111422 is an apocalyptic number.

2687111422 is a deficient number, since it is larger than the sum of its proper divisors (1343555714).

2687111422 is a wasteful number, since it uses less digits than its factorization.

2687111422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343555713.

The product of its digits is 10752, while the sum is 34.

The square root of 2687111422 is about 51837.3554688123. The cubic root of 2687111422 is about 1390.2574307118.

The spelling of 2687111422 in words is "two billion, six hundred eighty-seven million, one hundred eleven thousand, four hundred twenty-two".