5645868346 has 8 divisors (see below), whose sum is σ = 8675358804. Its totient is φ = 2754082080.

The previous prime is 5645868341. The next prime is 5645868353. The reversal of 5645868346 is 6438685465.

It can be written as a sum of positive squares in 2 ways, for example, as 5561430625 + 84437721 = 74575^2 + 9189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5645868341) 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, 34425945 + ... + 34426108.

Almost surely, 2^5645868346 is an apocalyptic number.

5645868346 is a deficient number, since it is larger than the sum of its proper divisors (3029490458).

5645868346 is a wasteful number, since it uses less digits than its factorization.

5645868346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68852096.

The product of its digits is 16588800, while the sum is 55.

The square root of 5645868346 is about 75138.9935120241. The cubic root of 5645868346 is about 1780.6432412006.

The spelling of 5645868346 in words is "five billion, six hundred forty-five million, eight hundred sixty-eight thousand, three hundred forty-six".