19054482140887 has 2 divisors, whose sum is σ = 19054482140888. Its totient is φ = 19054482140886.

The previous prime is 19054482140719. The next prime is 19054482140923. The reversal of 19054482140887 is 78804128445091.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19054482140887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19054482140587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9527241070443 + 9527241070444.

It is an arithmetic number, because the mean of its divisors is an integer number (9527241070444).

Almost surely, 2^{19054482140887} is an apocalyptic number.

19054482140887 is a deficient number, since it is larger than the sum of its proper divisors (1).

19054482140887 is an equidigital number, since it uses as much as digits as its factorization.

19054482140887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20643840, while the sum is 61.

The spelling of 19054482140887 in words is "nineteen trillion, fifty-four billion, four hundred eighty-two million, one hundred forty thousand, eight hundred eighty-seven".