6380971705 has 4 divisors (see below), whose sum is σ = 7657166052. Its totient is φ = 5104777360.

The previous prime is 6380971699. The next prime is 6380971733. The reversal of 6380971705 is 5071790836.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1728231184 + 4652740521 = 41572^2 + 68211^2 .

It is not a de Polignac number, because 6380971705 - 2³ = 6380971697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638097166 + ... + 638097175.

It is an arithmetic number, because the mean of its divisors is an integer number (1914291513).

Almost surely, 2^6380971705 is an apocalyptic number.

It is an amenable number.

6380971705 is a deficient number, since it is larger than the sum of its proper divisors (1276194347).

6380971705 is a wasteful number, since it uses less digits than its factorization.

6380971705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276194346.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 6380971705 is about 79880.9846271314. The cubic root of 6380971705 is about 1854.7936751508.

The spelling of 6380971705 in words is "six billion, three hundred eighty million, nine hundred seventy-one thousand, seven hundred five".