6549873620463 has 8 divisors (see below), whose sum is σ = 9703516474800. Its totient is φ = 4366582413624.

The previous prime is 6549873620383. The next prime is 6549873620497. The reversal of 6549873620463 is 3640263789456.

6549873620463 is a `hidden beast` number, since 6 + 5 + 49 + 8 + 73 + 62 + 0 + 463 = 666.

It is not a de Polignac number, because 6549873620463 - 2⁹ = 6549873619951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6549873620463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6549873620263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121293955908 + ... + 121293955961.

It is an arithmetic number, because the mean of its divisors is an integer number (1212939559350).

Almost surely, 2^{6549873620463} is an apocalyptic number.

6549873620463 is a deficient number, since it is larger than the sum of its proper divisors (3153642854337).

6549873620463 is a wasteful number, since it uses less digits than its factorization.

6549873620463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242587911878 (or 242587911872 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 63.

The spelling of 6549873620463 in words is "six trillion, five hundred forty-nine billion, eight hundred seventy-three million, six hundred twenty thousand, four hundred sixty-three".