2143454414 has 4 divisors (see below), whose sum is σ = 3215181624. Its totient is φ = 1071727206.

The previous prime is 2143454407. The next prime is 2143454431. The reversal of 2143454414 is 4144543412.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 535863602 + ... + 535863605.

It is an arithmetic number, because the mean of its divisors is an integer number (803795406).

Almost surely, 2^2143454414 is an apocalyptic number.

2143454414 is a deficient number, since it is larger than the sum of its proper divisors (1071727210).

2143454414 is a wasteful number, since it uses less digits than its factorization.

2143454414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071727209.

The product of its digits is 30720, while the sum is 32.

The square root of 2143454414 is about 46297.4558048280. The cubic root of 2143454414 is about 1289.3517593167.

Adding to 2143454414 its reverse (4144543412), we get a palindrome (6287997826).

The spelling of 2143454414 in words is "two billion, one hundred forty-three million, four hundred fifty-four thousand, four hundred fourteen".