256724102210179 has 2 divisors, whose sum is σ = 256724102210180. Its totient is φ = 256724102210178.

The previous prime is 256724102210153. The next prime is 256724102210197. The reversal of 256724102210179 is 971012201427652.

Together with next prime (256724102210197) 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-256724102210179 is a prime.

It is a super-2 number, since 2×256724102210179² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (256724102210129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128362051105089 + 128362051105090.

It is an arithmetic number, because the mean of its divisors is an integer number (128362051105090).

Almost surely, 2^{256724102210179} is an apocalyptic number.

256724102210179 is a deficient number, since it is larger than the sum of its proper divisors (1).

256724102210179 is an equidigital number, since it uses as much as digits as its factorization.

256724102210179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 256724102210179 in words is "two hundred fifty-six trillion, seven hundred twenty-four billion, one hundred two million, two hundred ten thousand, one hundred seventy-nine".