2081814694 has 8 divisors (see below), whose sum is σ = 3207120048. Its totient is φ = 1012774680.

The previous prime is 2081814673. The next prime is 2081814697. The reversal of 2081814694 is 4964181802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2081814694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081814697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14066242 + ... + 14066389.

It is an arithmetic number, because the mean of its divisors is an integer number (400890006).

Almost surely, 2^2081814694 is an apocalyptic number.

2081814694 is a deficient number, since it is larger than the sum of its proper divisors (1125305354).

2081814694 is a wasteful number, since it uses less digits than its factorization.

2081814694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28132670.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 2081814694 is about 45626.9075656021. The cubic root of 2081814694 is about 1276.8719791812.

The spelling of 2081814694 in words is "two billion, eighty-one million, eight hundred fourteen thousand, six hundred ninety-four".