2141612543 has 4 divisors (see below), whose sum is σ = 2447557200. Its totient is φ = 1835667888.

The previous prime is 2141612527. The next prime is 2141612567. The reversal of 2141612543 is 3452161412.

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 2141612543 - 2⁴ = 2141612527 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141612513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152972318 + ... + 152972331.

It is an arithmetic number, because the mean of its divisors is an integer number (611889300).

Almost surely, 2^2141612543 is an apocalyptic number.

2141612543 is a deficient number, since it is larger than the sum of its proper divisors (305944657).

2141612543 is an equidigital number, since it uses as much as digits as its factorization.

2141612543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305944656.

The product of its digits is 5760, while the sum is 29.

The square root of 2141612543 is about 46277.5598211487. The cubic root of 2141612543 is about 1288.9823400354.

Adding to 2141612543 its reverse (3452161412), we get a palindrome (5593773955).

The spelling of 2141612543 in words is "two billion, one hundred forty-one million, six hundred twelve thousand, five hundred forty-three".