2141443541 has 4 divisors (see below), whose sum is σ = 2144499084. Its totient is φ = 2138388000.

The previous prime is 2141443523. The next prime is 2141443547. The reversal of 2141443541 is 1453441412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 882684100 + 1258759441 = 29710^2 + 35479^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141443541 - 2⁶ = 2141443477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141443547) 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, 1526720 + ... + 1528121.

It is an arithmetic number, because the mean of its divisors is an integer number (536124771).

Almost surely, 2^2141443541 is an apocalyptic number.

It is an amenable number.

2141443541 is a deficient number, since it is larger than the sum of its proper divisors (3055543).

2141443541 is an equidigital number, since it uses as much as digits as its factorization.

2141443541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055542.

The product of its digits is 7680, while the sum is 29.

The square root of 2141443541 is about 46275.7338245435. The cubic root of 2141443541 is about 1288.9484331359.

Adding to 2141443541 its reverse (1453441412), we get a palindrome (3594884953).

The spelling of 2141443541 in words is "two billion, one hundred forty-one million, four hundred forty-three thousand, five hundred forty-one".