5724518861 has 2 divisors, whose sum is σ = 5724518862. Its totient is φ = 5724518860.

The previous prime is 5724518819. The next prime is 5724518929. The reversal of 5724518861 is 1688154275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5328270025 + 396248836 = 72995^2 + 19906^2 .

It is a cyclic number.

It is not a de Polignac number, because 5724518861 - 2¹⁰ = 5724517837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5724518801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2862259430 + 2862259431.

It is an arithmetic number, because the mean of its divisors is an integer number (2862259431).

Almost surely, 2^5724518861 is an apocalyptic number.

It is an amenable number.

5724518861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5724518861 is an equidigital number, since it uses as much as digits as its factorization.

5724518861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 47.

The square root of 5724518861 is about 75660.5502292972. The cubic root of 5724518861 is about 1788.8736358135.

The spelling of 5724518861 in words is "five billion, seven hundred twenty-four million, five hundred eighteen thousand, eight hundred sixty-one".