5646894361 has 8 divisors (see below), whose sum is σ = 5674011840. Its totient is φ = 5619830832.

The previous prime is 5646894343. The next prime is 5646894367. The reversal of 5646894361 is 1634986465.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5646894361 - 2⁵ = 5646894329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5646894299 and 5646894308.

It is not an unprimeable number, because it can be changed into a prime (5646894367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204730 + ... + 230668.

It is an arithmetic number, because the mean of its divisors is an integer number (709251480).

Almost surely, 2^5646894361 is an apocalyptic number.

It is an amenable number.

5646894361 is a deficient number, since it is larger than the sum of its proper divisors (27117479).

5646894361 is a wasteful number, since it uses less digits than its factorization.

5646894361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26975.

The product of its digits is 3732480, while the sum is 52.

The square root of 5646894361 is about 75145.8206489223. The cubic root of 5646894361 is about 1780.7510991894.

The spelling of 5646894361 in words is "five billion, six hundred forty-six million, eight hundred ninety-four thousand, three hundred sixty-one".