188412995543 has 2 divisors, whose sum is σ = 188412995544. Its totient is φ = 188412995542.

The previous prime is 188412995479. The next prime is 188412995549. The reversal of 188412995543 is 345599214881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 188412995543 - 2⁶ = 188412995479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188412995549) 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, 94206497771 + 94206497772.

It is an arithmetic number, because the mean of its divisors is an integer number (94206497772).

Almost surely, 2^188412995543 is an apocalyptic number.

188412995543 is a deficient number, since it is larger than the sum of its proper divisors (1).

188412995543 is an equidigital number, since it uses as much as digits as its factorization.

188412995543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12441600, while the sum is 59.

The spelling of 188412995543 in words is "one hundred eighty-eight billion, four hundred twelve million, nine hundred ninety-five thousand, five hundred forty-three".