5646450443 has 4 divisors (see below), whose sum is σ = 5777763288. Its totient is φ = 5515137600.

The previous prime is 5646450377. The next prime is 5646450449. The reversal of 5646450443 is 3440546465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3440546465 = 5 ⋅688109293.

It is a cyclic number.

It is not a de Polignac number, because 5646450443 - 2¹⁸ = 5646188299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5646450443.

It is not an unprimeable number, because it can be changed into a prime (5646450449) 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, 65656358 + ... + 65656443.

It is an arithmetic number, because the mean of its divisors is an integer number (1444440822).

Almost surely, 2^5646450443 is an apocalyptic number.

5646450443 is a deficient number, since it is larger than the sum of its proper divisors (131312845).

5646450443 is a wasteful number, since it uses less digits than its factorization.

5646450443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131312844.

The product of its (nonzero) digits is 691200, while the sum is 41.

The square root of 5646450443 is about 75142.8668803633. The cubic root of 5646450443 is about 1780.7044347085.

The spelling of 5646450443 in words is "five billion, six hundred forty-six million, four hundred fifty thousand, four hundred forty-three".