6719794515947 has 2 divisors, whose sum is σ = 6719794515948. Its totient is φ = 6719794515946.

The previous prime is 6719794515943. The next prime is 6719794515971. The reversal of 6719794515947 is 7495154979176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6719794515947 - 2² = 6719794515943 is a prime.

It is not a weakly prime, because it can be changed into another prime (6719794515943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3359897257973 + 3359897257974.

It is an arithmetic number, because the mean of its divisors is an integer number (3359897257974).

Almost surely, 2^{6719794515947} is an apocalyptic number.

6719794515947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6719794515947 is an equidigital number, since it uses as much as digits as its factorization.

6719794515947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600112800, while the sum is 74.

The spelling of 6719794515947 in words is "six trillion, seven hundred nineteen billion, seven hundred ninety-four million, five hundred fifteen thousand, nine hundred forty-seven".