179005493375279 has 2 divisors, whose sum is σ = 179005493375280. Its totient is φ = 179005493375278.

The previous prime is 179005493375183. The next prime is 179005493375297. The reversal of 179005493375279 is 972573394500971.

Together with next prime (179005493375297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-179005493375279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (179005493375879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89502746687639 + 89502746687640.

It is an arithmetic number, because the mean of its divisors is an integer number (89502746687640).

Almost surely, 2^{179005493375279} is an apocalyptic number.

179005493375279 is a deficient number, since it is larger than the sum of its proper divisors (1).

179005493375279 is an equidigital number, since it uses as much as digits as its factorization.

179005493375279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450084600, while the sum is 71.

The spelling of 179005493375279 in words is "one hundred seventy-nine trillion, five billion, four hundred ninety-three million, three hundred seventy-five thousand, two hundred seventy-nine".