5646461040644 has 6 divisors (see below), whose sum is σ = 9881306821134. Its totient is φ = 2823230520320.

The previous prime is 5646461040629. The next prime is 5646461040739. The reversal of 5646461040644 is 4460401646465.

It can be written as a sum of positive squares in only one way, i.e., 5641432528900 + 5028511744 = 2375170^2 + 70912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5646461040592 and 5646461040601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705807630077 + ... + 705807630084.

It is an arithmetic number, because the mean of its divisors is an integer number (1646884470189).

Almost surely, 2^{5646461040644} is an apocalyptic number.

It is an amenable number.

5646461040644 is a deficient number, since it is larger than the sum of its proper divisors (4234845780490).

5646461040644 is a wasteful number, since it uses less digits than its factorization.

5646461040644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411615260165 (or 1411615260163 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 50.

The spelling of 5646461040644 in words is "five trillion, six hundred forty-six billion, four hundred sixty-one million, forty thousand, six hundred forty-four".