2143447094 has 16 divisors (see below), whose sum is σ = 3287455632. Its totient is φ = 1047772128.

The previous prime is 2143447093. The next prime is 2143447123. The reversal of 2143447094 is 4907443412.

It is a happy number.

It is a super-3 number, since 3×2143447094³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143447093) 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 7 ways as a sum of consecutive naturals, for example, 5729 + ... + 65724.

It is an arithmetic number, because the mean of its divisors is an integer number (205465977).

Almost surely, 2^2143447094 is an apocalyptic number.

2143447094 is a deficient number, since it is larger than the sum of its proper divisors (1144008538).

2143447094 is a wasteful number, since it uses less digits than its factorization.

2143447094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71791.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 2143447094 is about 46297.3767507404. The cubic root of 2143447094 is about 1289.3502915822.

The spelling of 2143447094 in words is "two billion, one hundred forty-three million, four hundred forty-seven thousand, ninety-four".