1678114844743 has 2 divisors, whose sum is σ = 1678114844744. Its totient is φ = 1678114844742.

The previous prime is 1678114844729. The next prime is 1678114844863. The reversal of 1678114844743 is 3474484118761.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1678114844743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1678114844723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839057422371 + 839057422372.

It is an arithmetic number, because the mean of its divisors is an integer number (839057422372).

Almost surely, 2^{1678114844743} is an apocalyptic number.

1678114844743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1678114844743 is an equidigital number, since it uses as much as digits as its factorization.

1678114844743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14450688, while the sum is 58.

The spelling of 1678114844743 in words is "one trillion, six hundred seventy-eight billion, one hundred fourteen million, eight hundred forty-four thousand, seven hundred forty-three".