79454719065529 has 2 divisors, whose sum is σ = 79454719065530. Its totient is φ = 79454719065528.

The previous prime is 79454719065523. The next prime is 79454719065629. The reversal of 79454719065529 is 92556091745497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39768498975529 + 39686220090000 = 6306227^2 + 6299700^2 .

It is a cyclic number.

It is not a de Polignac number, because 79454719065529 - 2⁷ = 79454719065401 is a prime.

It is not a weakly prime, because it can be changed into another prime (79454719065523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39727359532764 + 39727359532765.

It is an arithmetic number, because the mean of its divisors is an integer number (39727359532765).

Almost surely, 2^{79454719065529} is an apocalyptic number.

It is an amenable number.

79454719065529 is a deficient number, since it is larger than the sum of its proper divisors (1).

79454719065529 is an equidigital number, since it uses as much as digits as its factorization.

79454719065529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304000, while the sum is 73.

The spelling of 79454719065529 in words is "seventy-nine trillion, four hundred fifty-four billion, seven hundred nineteen million, sixty-five thousand, five hundred twenty-nine".