1928327767139 has 2 divisors, whose sum is σ = 1928327767140. Its totient is φ = 1928327767138.

The previous prime is 1928327767117. The next prime is 1928327767187. The reversal of 1928327767139 is 9317677238291.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1928327767139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1928327767189) 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, 964163883569 + 964163883570.

It is an arithmetic number, because the mean of its divisors is an integer number (964163883570).

Almost surely, 2^{1928327767139} is an apocalyptic number.

1928327767139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1928327767139 is an equidigital number, since it uses as much as digits as its factorization.

1928327767139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48009024, while the sum is 65.

The spelling of 1928327767139 in words is "one trillion, nine hundred twenty-eight billion, three hundred twenty-seven million, seven hundred sixty-seven thousand, one hundred thirty-nine".