79454719065629 has 2 divisors, whose sum is σ = 79454719065630. Its totient is φ = 79454719065628.

The previous prime is 79454719065529. The next prime is 79454719065643. The reversal of 79454719065629 is 92656091745497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62184627232729 + 17270091832900 = 7885723^2 + 4155730^2 .

It is a cyclic number.

It is not a de Polignac number, because 79454719065629 - 2¹⁶ = 79454719000093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79454719065679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39727359532814 + 39727359532815.

It is an arithmetic number, because the mean of its divisors is an integer number (39727359532815).

Almost surely, 2^{79454719065629} is an apocalyptic number.

It is an amenable number.

79454719065629 is a deficient number, since it is larger than the sum of its proper divisors (1).

79454719065629 is an equidigital number, since it uses as much as digits as its factorization.

79454719065629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1028764800, while the sum is 74.

The spelling of 79454719065629 in words is "seventy-nine trillion, four hundred fifty-four billion, seven hundred nineteen million, sixty-five thousand, six hundred twenty-nine".