2141544487 has 2 divisors, whose sum is σ = 2141544488. Its totient is φ = 2141544486.

The previous prime is 2141544409. The next prime is 2141544499. The reversal of 2141544487 is 7844451412.

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-2141544487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141544187) by changing a digit.

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, 1070772243 + 1070772244.

It is an arithmetic number, because the mean of its divisors is an integer number (1070772244).

Almost surely, 2^2141544487 is an apocalyptic number.

2141544487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141544487 is an equidigital number, since it uses as much as digits as its factorization.

2141544487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 143360, while the sum is 40.

The square root of 2141544487 is about 46276.8245129244. The cubic root of 2141544487 is about 1288.9686861633.

Adding to 2141544487 its reverse (7844451412), we get a palindrome (9985995899).

The spelling of 2141544487 in words is "two billion, one hundred forty-one million, five hundred forty-four thousand, four hundred eighty-seven".