5645335478 has 4 divisors (see below), whose sum is σ = 8468003220. Its totient is φ = 2822667738.

The previous prime is 5645335477. The next prime is 5645335517. The reversal of 5645335478 is 8745335465.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645335477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411333868 + ... + 1411333871.

It is an arithmetic number, because the mean of its divisors is an integer number (2117000805).

Almost surely, 2^5645335478 is an apocalyptic number.

5645335478 is a deficient number, since it is larger than the sum of its proper divisors (2822667742).

5645335478 is a wasteful number, since it uses less digits than its factorization.

5645335478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822667741.

The product of its digits is 6048000, while the sum is 50.

The square root of 5645335478 is about 75135.4475464145. The cubic root of 5645335478 is about 1780.5872192510.

The spelling of 5645335478 in words is "five billion, six hundred forty-five million, three hundred thirty-five thousand, four hundred seventy-eight".