5665849345 has 16 divisors (see below), whose sum is σ = 7425153792. Its totient is φ = 4125078720.

The previous prime is 5665849339. The next prime is 5665849351. The reversal of 5665849345 is 5439485665.

It is an interprime number because it is at equal distance from previous prime (5665849339) and next prime (5665849351).

It is not a de Polignac number, because 5665849345 - 2³ = 5665849337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609237 + ... + 618466.

It is an arithmetic number, because the mean of its divisors is an integer number (464072112).

It is a Proth number, since it is equal to 43227 ⋅ 2¹⁷ + 1 and 43227 < 2¹⁷.

Almost surely, 2^5665849345 is an apocalyptic number.

It is an amenable number.

5665849345 is a deficient number, since it is larger than the sum of its proper divisors (1759304447).

5665849345 is a wasteful number, since it uses less digits than its factorization.

5665849345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227792.

The product of its digits is 15552000, while the sum is 55.

The square root of 5665849345 is about 75271.8363333857. The cubic root of 5665849345 is about 1782.7413619859.

The spelling of 5665849345 in words is "five billion, six hundred sixty-five million, eight hundred forty-nine thousand, three hundred forty-five".