1847380068643 has 2 divisors, whose sum is σ = 1847380068644. Its totient is φ = 1847380068642.

The previous prime is 1847380068593. The next prime is 1847380068691. The reversal of 1847380068643 is 3468600837481.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1847380068643 is a prime.

It is a super-2 number, since 2×1847380068643² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1847380068143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 923690034321 + 923690034322.

It is an arithmetic number, because the mean of its divisors is an integer number (923690034322).

Almost surely, 2^{1847380068643} is an apocalyptic number.

1847380068643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1847380068643 is an equidigital number, since it uses as much as digits as its factorization.

1847380068643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 1847380068643 in words is "one trillion, eight hundred forty-seven billion, three hundred eighty million, sixty-eight thousand, six hundred forty-three".