5664879049 has 4 divisors (see below), whose sum is σ = 5715010836. Its totient is φ = 5614747264.

The previous prime is 5664878987. The next prime is 5664879091. The reversal of 5664879049 is 9409784665.

It is a happy number.

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 734030649 + 4930848400 = 27093^2 + 70220^2 .

It is a cyclic number.

It is not a de Polignac number, because 5664879049 - 2⁹ = 5664878537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5664878984 and 5664879002.

It is not an unprimeable number, because it can be changed into a prime (5664874049) 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, 25065724 + ... + 25065949.

It is an arithmetic number, because the mean of its divisors is an integer number (1428752709).

Almost surely, 2^5664879049 is an apocalyptic number.

It is an amenable number.

5664879049 is a deficient number, since it is larger than the sum of its proper divisors (50131787).

5664879049 is a wasteful number, since it uses less digits than its factorization.

5664879049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50131786.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The square root of 5664879049 is about 75265.3907782322. The cubic root of 5664879049 is about 1782.6395893324.

The spelling of 5664879049 in words is "five billion, six hundred sixty-four million, eight hundred seventy-nine thousand, forty-nine".