9704621705 has 4 divisors (see below), whose sum is σ = 11645546052. Its totient is φ = 7763697360.

The previous prime is 9704621681. The next prime is 9704621713. The reversal of 9704621705 is 5071264079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5071264079 = 7 ⋅724466297.

It can be written as a sum of positive squares in 2 ways, for example, as 7596342649 + 2108279056 = 87157^2 + 45916^2 .

It is not a de Polignac number, because 9704621705 - 2¹⁴ = 9704605321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970462166 + ... + 970462175.

It is an arithmetic number, because the mean of its divisors is an integer number (2911386513).

Almost surely, 2^9704621705 is an apocalyptic number.

It is an amenable number.

9704621705 is a deficient number, since it is larger than the sum of its proper divisors (1940924347).

9704621705 is a wasteful number, since it uses less digits than its factorization.

9704621705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940924346.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 9704621705 is about 98512.0383760279. The cubic root of 9704621705 is about 2133.0098957221.

The spelling of 9704621705 in words is "nine billion, seven hundred four million, six hundred twenty-one thousand, seven hundred five".