705488732645 has 8 divisors (see below), whose sum is σ = 846647586456. Its totient is φ = 564350247936.

The previous prime is 705488732609. The next prime is 705488732653. The reversal of 705488732645 is 546237884507.

It can be written as a sum of positive squares in 4 ways, for example, as 76325665441 + 629163067204 = 276271^2 + 793198^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 705488732645 - 2²⁸ = 705220297189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5015972 + ... + 5154701.

It is an arithmetic number, because the mean of its divisors is an integer number (105830948307).

Almost surely, 2^705488732645 is an apocalyptic number.

It is an amenable number.

705488732645 is a deficient number, since it is larger than the sum of its proper divisors (141158853811).

705488732645 is a wasteful number, since it uses less digits than its factorization.

705488732645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184551.

The product of its (nonzero) digits is 45158400, while the sum is 59.

The spelling of 705488732645 in words is "seven hundred five billion, four hundred eighty-eight million, seven hundred thirty-two thousand, six hundred forty-five".