705722251279 has 2 divisors, whose sum is σ = 705722251280. Its totient is φ = 705722251278.

The previous prime is 705722251231. The next prime is 705722251393. The reversal of 705722251279 is 972152227507.

It is a weak prime.

It is an emirp because it is prime and its reverse (972152227507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705722251279 - 2⁹ = 705722250767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705728251279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352861125639 + 352861125640.

It is an arithmetic number, because the mean of its divisors is an integer number (352861125640).

Almost surely, 2^705722251279 is an apocalyptic number.

705722251279 is a deficient number, since it is larger than the sum of its proper divisors (1).

705722251279 is an equidigital number, since it uses as much as digits as its factorization.

705722251279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 705722251279 in words is "seven hundred five billion, seven hundred twenty-two million, two hundred fifty-one thousand, two hundred seventy-nine".