2019946927 has 2 divisors, whose sum is σ = 2019946928. Its totient is φ = 2019946926.

The previous prime is 2019946861. The next prime is 2019946931. The reversal of 2019946927 is 7296499102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2019946927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2019940927) 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, 1009973463 + 1009973464.

It is an arithmetic number, because the mean of its divisors is an integer number (1009973464).

Almost surely, 2^2019946927 is an apocalyptic number.

2019946927 is a deficient number, since it is larger than the sum of its proper divisors (1).

2019946927 is an equidigital number, since it uses as much as digits as its factorization.

2019946927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 2019946927 is about 44943.8196752345. The cubic root of 2019946927 is about 1264.0957938185.

The spelling of 2019946927 in words is "two billion, nineteen million, nine hundred forty-six thousand, nine hundred twenty-seven".