6671219920019 has 2 divisors, whose sum is σ = 6671219920020. Its totient is φ = 6671219920018.

The previous prime is 6671219920007. The next prime is 6671219920037. The reversal of 6671219920019 is 9100299121766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6671219920019 - 2¹² = 6671219915923 is a prime.

It is a super-2 number, since 2×6671219920019² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6671219920319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335609960009 + 3335609960010.

It is an arithmetic number, because the mean of its divisors is an integer number (3335609960010).

Almost surely, 2^{6671219920019} is an apocalyptic number.

6671219920019 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671219920019 is an equidigital number, since it uses as much as digits as its factorization.

6671219920019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 53.

The spelling of 6671219920019 in words is "six trillion, six hundred seventy-one billion, two hundred nineteen million, nine hundred twenty thousand, nineteen".