2043242043187 has 2 divisors, whose sum is σ = 2043242043188. Its totient is φ = 2043242043186.

The previous prime is 2043242043113. The next prime is 2043242043223. The reversal of 2043242043187 is 7813402423402.

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-2043242043187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2043242043107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021621021593 + 1021621021594.

It is an arithmetic number, because the mean of its divisors is an integer number (1021621021594).

Almost surely, 2^{2043242043187} is an apocalyptic number.

2043242043187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043242043187 is an equidigital number, since it uses as much as digits as its factorization.

2043242043187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 40.

Adding to 2043242043187 its reverse (7813402423402), we get a palindrome (9856644466589).

The spelling of 2043242043187 in words is "two trillion, forty-three billion, two hundred forty-two million, forty-three thousand, one hundred eighty-seven".