5665849351 has 2 divisors, whose sum is σ = 5665849352. Its totient is φ = 5665849350.

The previous prime is 5665849339. The next prime is 5665849367. The reversal of 5665849351 is 1539485665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5665849351 - 2⁷ = 5665849223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5665849391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832924675 + 2832924676.

It is an arithmetic number, because the mean of its divisors is an integer number (2832924676).

Almost surely, 2^5665849351 is an apocalyptic number.

5665849351 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665849351 is an equidigital number, since it uses as much as digits as its factorization.

5665849351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888000, while the sum is 52.

The square root of 5665849351 is about 75271.8363732412. The cubic root of 5665849351 is about 1782.7413626152.

The spelling of 5665849351 in words is "five billion, six hundred sixty-five million, eight hundred forty-nine thousand, three hundred fifty-one".