79293643651 has 2 divisors, whose sum is σ = 79293643652. Its totient is φ = 79293643650.

The previous prime is 79293643621. The next prime is 79293643661. The reversal of 79293643651 is 15634639297.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79293643651 - 2⁹ = 79293643139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79293643592 and 79293643601.

It is not a weakly prime, because it can be changed into another prime (79293643621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39646821825 + 39646821826.

It is an arithmetic number, because the mean of its divisors is an integer number (39646821826).

Almost surely, 2^79293643651 is an apocalyptic number.

79293643651 is a deficient number, since it is larger than the sum of its proper divisors (1).

79293643651 is an equidigital number, since it uses as much as digits as its factorization.

79293643651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 55.

The spelling of 79293643651 in words is "seventy-nine billion, two hundred ninety-three million, six hundred forty-three thousand, six hundred fifty-one".