5669881849 has 4 divisors (see below), whose sum is σ = 5675371636. Its totient is φ = 5664392064.

The previous prime is 5669881787. The next prime is 5669881879. The reversal of 5669881849 is 9481889665.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5432721849 + 237160000 = 73707^2 + 15400^2 .

It is a cyclic number.

It is not a de Polignac number, because 5669881849 - 2²⁹ = 5133010937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5669881879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2743344 + ... + 2745409.

It is an arithmetic number, because the mean of its divisors is an integer number (1418842909).

Almost surely, 2^5669881849 is an apocalyptic number.

It is an amenable number.

5669881849 is a deficient number, since it is larger than the sum of its proper divisors (5489787).

5669881849 is a wasteful number, since it uses less digits than its factorization.

5669881849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489786.

The product of its digits is 29859840, while the sum is 64.

The square root of 5669881849 is about 75298.6178425607. The cubic root of 5669881849 is about 1783.1641998466.

The spelling of 5669881849 in words is "five billion, six hundred sixty-nine million, eight hundred eighty-one thousand, eight hundred forty-nine".