705141643 has 2 divisors, whose sum is σ = 705141644. Its totient is φ = 705141642.

The previous prime is 705141617. The next prime is 705141707. The reversal of 705141643 is 346141507.

705141643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (346141507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705141643 - 2¹⁷ = 705010571 is a prime.

It is not a weakly prime, because it can be changed into another prime (705141343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352570821 + 352570822.

It is an arithmetic number, because the mean of its divisors is an integer number (352570822).

Almost surely, 2^705141643 is an apocalyptic number.

705141643 is a deficient number, since it is larger than the sum of its proper divisors (1).

705141643 is an equidigital number, since it uses as much as digits as its factorization.

705141643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 705141643 is about 26554.5032527442. The cubic root of 705141643 is about 890.0726460922.

The spelling of 705141643 in words is "seven hundred five million, one hundred forty-one thousand, six hundred forty-three".