2112641862 has 16 divisors (see below), whose sum is σ = 4408992000. Its totient is φ = 673595912.

The previous prime is 2112641837. The next prime is 2112641899. The reversal of 2112641862 is 2681462112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7654362 + ... + 7654637.

It is an arithmetic number, because the mean of its divisors is an integer number (275562000).

Almost surely, 2^2112641862 is an apocalyptic number.

2112641862 is an abundant number, since it is smaller than the sum of its proper divisors (2296350138).

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

2112641862 is a wasteful number, since it uses less digits than its factorization.

2112641862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15309027.

The product of its digits is 9216, while the sum is 33.

The square root of 2112641862 is about 45963.4840063283. The cubic root of 2112641862 is about 1283.1436932276.

The spelling of 2112641862 in words is "two billion, one hundred twelve million, six hundred forty-one thousand, eight hundred sixty-two".