43412041218187 has 2 divisors, whose sum is σ = 43412041218188. Its totient is φ = 43412041218186.

The previous prime is 43412041218107. The next prime is 43412041218239. The reversal of 43412041218187 is 78181214021434.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43412041218187 is a prime.

It is a super-4 number, since 4×43412041218187⁴ (a number of 56 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (43412041218107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21706020609093 + 21706020609094.

It is an arithmetic number, because the mean of its divisors is an integer number (21706020609094).

Almost surely, 2^{43412041218187} is an apocalyptic number.

43412041218187 is a deficient number, since it is larger than the sum of its proper divisors (1).

43412041218187 is an equidigital number, since it uses as much as digits as its factorization.

43412041218187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 43412041218187 in words is "forty-three trillion, four hundred twelve billion, forty-one million, two hundred eighteen thousand, one hundred eighty-seven".