2141043451 has 4 divisors (see below), whose sum is σ = 2141350992. Its totient is φ = 2140735912.

The previous prime is 2141043439. The next prime is 2141043469. The reversal of 2141043451 is 1543401412.

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

It is a cyclic number.

It is not a de Polignac number, because 2141043451 - 2¹¹ = 2141041403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141041451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143080 + ... + 157333.

It is an arithmetic number, because the mean of its divisors is an integer number (535337748).

Almost surely, 2^2141043451 is an apocalyptic number.

2141043451 is a deficient number, since it is larger than the sum of its proper divisors (307541).

2141043451 is an equidigital number, since it uses as much as digits as its factorization.

2141043451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307540.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2141043451 is about 46271.4107306012. The cubic root of 2141043451 is about 1288.8681559011.

Adding to 2141043451 its reverse (1543401412), we get a palindrome (3684444863).

The spelling of 2141043451 in words is "two billion, one hundred forty-one million, forty-three thousand, four hundred fifty-one".