6549942753 has 12 divisors (see below), whose sum is σ = 9533251728. Its totient is φ = 4333294680.

The previous prime is 6549942709. The next prime is 6549942769. The reversal of 6549942753 is 3572499456.

6549942753 is a `hidden beast` number, since 6 + 549 + 9 + 42 + 7 + 53 = 666.

It is not a de Polignac number, because 6549942753 - 2¹² = 6549938657 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6549942753.

It is not an unprimeable number, because it can be changed into a prime (6549942253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2776575 + ... + 2778932.

It is an arithmetic number, because the mean of its divisors is an integer number (794437644).

Almost surely, 2^6549942753 is an apocalyptic number.

It is an amenable number.

6549942753 is a deficient number, since it is larger than the sum of its proper divisors (2983308975).

6549942753 is a wasteful number, since it uses less digits than its factorization.

6549942753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555644 (or 5555641 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The square root of 6549942753 is about 80931.7166072733. The cubic root of 6549942753 is about 1871.0231804198.

The spelling of 6549942753 in words is "six billion, five hundred forty-nine million, nine hundred forty-two thousand, seven hundred fifty-three".