5645506877644 has 6 divisors (see below), whose sum is σ = 9879637035884. Its totient is φ = 2822753438820.

The previous prime is 5645506877629. The next prime is 5645506877657. The reversal of 5645506877644 is 4467786055465.

It is a self number, because there is not a number n which added to its sum of digits gives 5645506877644.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705688359702 + ... + 705688359709.

Almost surely, 2^{5645506877644} is an apocalyptic number.

It is an amenable number.

5645506877644 is a deficient number, since it is larger than the sum of its proper divisors (4234130158240).

5645506877644 is a wasteful number, since it uses less digits than its factorization.

5645506877644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411376719415 (or 1411376719413 counting only the distinct ones).

The product of its (nonzero) digits is 677376000, while the sum is 67.

The spelling of 5645506877644 in words is "five trillion, six hundred forty-five billion, five hundred six million, eight hundred seventy-seven thousand, six hundred forty-four".