5720394861 has 12 divisors (see below), whose sum is σ = 8313486688. Its totient is φ = 3790199304.

The previous prime is 5720394857. The next prime is 5720394899. The reversal of 5720394861 is 1684930275.

5720394861 is a `hidden beast` number, since 572 + 0 + 39 + 48 + 6 + 1 = 666.

5720394861 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5720394861 - 2² = 5720394857 is a prime.

It is a Duffinian number.

5720394861 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5720394851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1948225 + ... + 1951158.

It is a 1-persistent number, because it is pandigital, but 2⋅5720394861 = 11440789722 is not.

Almost surely, 2^5720394861 is an apocalyptic number.

It is an amenable number.

5720394861 is a deficient number, since it is larger than the sum of its proper divisors (2593091827).

5720394861 is a wasteful number, since it uses less digits than its factorization.

5720394861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899552 (or 3899549 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 5720394861 is about 75633.2920148264. The cubic root of 5720394861 is about 1788.4439585296.

The spelling of 5720394861 in words is "five billion, seven hundred twenty million, three hundred ninety-four thousand, eight hundred sixty-one".