2113786854 has 20 divisors (see below), whose sum is σ = 4736448684. Its totient is φ = 704595564.

The previous prime is 2113786777. The next prime is 2113786859. The reversal of 2113786854 is 4586873112.

2113786854 is a `hidden beast` number, since 211 + 378 + 68 + 5 + 4 = 666.

It is a super-3 number, since 3×2113786854³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113786859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6523872 + ... + 6524195.

Almost surely, 2^2113786854 is an apocalyptic number.

2113786854 is an abundant number, since it is smaller than the sum of its proper divisors (2622661830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2113786854 is a wasteful number, since it uses less digits than its factorization.

2113786854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13048081 (or 13048072 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 2113786854 is about 45975.9377718389. The cubic root of 2113786854 is about 1283.3754605312.

The spelling of 2113786854 in words is "two billion, one hundred thirteen million, seven hundred eighty-six thousand, eight hundred fifty-four".