5721842686 has 16 divisors (see below), whose sum is σ = 9847958400. Its totient is φ = 2442447000.

The previous prime is 5721842683. The next prime is 5721842717. The reversal of 5721842686 is 6862481275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721842681) 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, 810636 + ... + 817663.

It is an arithmetic number, because the mean of its divisors is an integer number (615497400).

Almost surely, 2^5721842686 is an apocalyptic number.

5721842686 is a deficient number, since it is larger than the sum of its proper divisors (4126115714).

5721842686 is a wasteful number, since it uses less digits than its factorization.

5721842686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628559.

The product of its digits is 1290240, while the sum is 49.

The square root of 5721842686 is about 75642.8627565086. The cubic root of 5721842686 is about 1788.5948301340.

The spelling of 5721842686 in words is "five billion, seven hundred twenty-one million, eight hundred forty-two thousand, six hundred eighty-six".