7663219999979 has 2 divisors, whose sum is σ = 7663219999980. Its totient is φ = 7663219999978.

The previous prime is 7663219999973. The next prime is 7663220000027. The reversal of 7663219999979 is 9799999123667.

It is a weak prime.

It is an emirp because it is prime and its reverse (9799999123667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7663219999979 - 2⁸ = 7663219999723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7663219999979.

It is not a weakly prime, because it can be changed into another prime (7663219999973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831609999989 + 3831609999990.

It is an arithmetic number, because the mean of its divisors is an integer number (3831609999990).

Almost surely, 2^{7663219999979} is an apocalyptic number.

7663219999979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7663219999979 is an equidigital number, since it uses as much as digits as its factorization.

7663219999979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5624771544, while the sum is 86.

The spelling of 7663219999979 in words is "seven trillion, six hundred sixty-three billion, two hundred nineteen million, nine hundred ninety-nine thousand, nine hundred seventy-nine".