1888681132243 has 2 divisors, whose sum is σ = 1888681132244. Its totient is φ = 1888681132242.

The previous prime is 1888681132189. The next prime is 1888681132297. The reversal of 1888681132243 is 3422311868881.

It is a balanced prime because it is at equal distance from previous prime (1888681132189) and next prime (1888681132297).

It is a cyclic number.

It is not a de Polignac number, because 1888681132243 - 2¹³ = 1888681124051 is a prime.

It is a super-2 number, since 2×1888681132243² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1888681132043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944340566121 + 944340566122.

It is an arithmetic number, because the mean of its divisors is an integer number (944340566122).

Almost surely, 2^{1888681132243} is an apocalyptic number.

1888681132243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1888681132243 is an equidigital number, since it uses as much as digits as its factorization.

1888681132243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3538944, while the sum is 55.

The spelling of 1888681132243 in words is "one trillion, eight hundred eighty-eight billion, six hundred eighty-one million, one hundred thirty-two thousand, two hundred forty-three".