1678231082263 has 2 divisors, whose sum is σ = 1678231082264. Its totient is φ = 1678231082262.

The previous prime is 1678231082257. The next prime is 1678231082323. The reversal of 1678231082263 is 3622801328761.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1678231082263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1678231032263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839115541131 + 839115541132.

It is an arithmetic number, because the mean of its divisors is an integer number (839115541132).

Almost surely, 2^{1678231082263} is an apocalyptic number.

1678231082263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1678231082263 is an equidigital number, since it uses as much as digits as its factorization.

1678231082263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 1678231082263 in words is "one trillion, six hundred seventy-eight billion, two hundred thirty-one million, eighty-two thousand, two hundred sixty-three".