6646053019 has 2 divisors, whose sum is σ = 6646053020. Its totient is φ = 6646053018.

The previous prime is 6646053013. The next prime is 6646053041. The reversal of 6646053019 is 9103506466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6646053019 - 2⁹ = 6646052507 is a prime.

It is a super-2 number, since 2×6646053019² = 88340041462718028722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6646053013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3323026509 + 3323026510.

It is an arithmetic number, because the mean of its divisors is an integer number (3323026510).

Almost surely, 2^6646053019 is an apocalyptic number.

6646053019 is a deficient number, since it is larger than the sum of its proper divisors (1).

6646053019 is an equidigital number, since it uses as much as digits as its factorization.

6646053019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 6646053019 is about 81523.3280662658. The cubic root of 6646053019 is about 1880.1302364696.

The spelling of 6646053019 in words is "six billion, six hundred forty-six million, fifty-three thousand, nineteen".