2141544187 has 2 divisors, whose sum is σ = 2141544188. Its totient is φ = 2141544186.

The previous prime is 2141544157. The next prime is 2141544193. The reversal of 2141544187 is 7814451412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141544187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2141544157) 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 as a sum of consecutive naturals, namely, 1070772093 + 1070772094.

It is an arithmetic number, because the mean of its divisors is an integer number (1070772094).

Almost surely, 2^2141544187 is an apocalyptic number.

2141544187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141544187 is an equidigital number, since it uses as much as digits as its factorization.

2141544187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 37.

The square root of 2141544187 is about 46276.8212715610. The cubic root of 2141544187 is about 1288.9686259746.

Adding to 2141544187 its reverse (7814451412), we get a palindrome (9955995599).

The spelling of 2141544187 in words is "two billion, one hundred forty-one million, five hundred forty-four thousand, one hundred eighty-seven".