705403353685 has 8 divisors (see below), whose sum is σ = 869361971256. Its totient is φ = 549070718400.

The previous prime is 705403353661. The next prime is 705403353689. The reversal of 705403353685 is 586353304507.

705403353685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 283576485361 + 421826868324 = 532519^2 + 649482^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 705403353685 - 2⁵ = 705403353653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705403353689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906495366 + ... + 1906495735.

It is an arithmetic number, because the mean of its divisors is an integer number (108670246407).

Almost surely, 2^705403353685 is an apocalyptic number.

It is an amenable number.

705403353685 is a deficient number, since it is larger than the sum of its proper divisors (163958617571).

705403353685 is a wasteful number, since it uses less digits than its factorization.

705403353685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812991143.

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 705403353685 in words is "seven hundred five billion, four hundred three million, three hundred fifty-three thousand, six hundred eighty-five".