5861721706 has 4 divisors (see below), whose sum is σ = 8792582562. Its totient is φ = 2930860852.

The previous prime is 5861721689. The next prime is 5861721713. The reversal of 5861721706 is 6071271685.

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

It can be written as a sum of positive squares in only one way, i.e., 3310966681 + 2550755025 = 57541^2 + 50505^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465430425 + ... + 1465430428.

Almost surely, 2^5861721706 is an apocalyptic number.

5861721706 is a deficient number, since it is larger than the sum of its proper divisors (2930860856).

5861721706 is a wasteful number, since it uses less digits than its factorization.

5861721706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930860855.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 5861721706 is about 76561.8815468899. The cubic root of 5861721706 is about 1803.0526088562.

The spelling of 5861721706 in words is "five billion, eight hundred sixty-one million, seven hundred twenty-one thousand, seven hundred six".