5816571827049 has 135 divisors (see below), whose sum is σ = 9283105398567. Its totient is φ = 3629211933600.

The previous prime is 5816571827041. The next prime is 5816571827063. The reversal of 5816571827049 is 9407281756185.

The square root of 5816571827049 is 2411757.

It is a perfect power (a square), and thus also a powerful number.

5816571827049 is a `hidden beast` number, since 5 + 8 + 16 + 571 + 8 + 2 + 7 + 0 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 189144098649 + 5627427728400 = 434907^2 + 2372220^2 .

It is not a de Polignac number, because 5816571827049 - 2³ = 5816571827041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5816571827041) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 30453255544 + ... + 30453255734.

Almost surely, 2^{5816571827049} is an apocalyptic number.

5816571827049 is the 2411757-th square number.

5816571827049 is the 1205879-th centered octagonal number.

It is an amenable number.

5816571827049 is a deficient number, since it is larger than the sum of its proper divisors (3466533571518).

5816571827049 is an frugal number, since it uses more digits than its factorization.

5816571827049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 63.

The spelling of 5816571827049 in words is "five trillion, eight hundred sixteen billion, five hundred seventy-one million, eight hundred twenty-seven thousand, forty-nine".