6745986653 has 12 divisors (see below), whose sum is σ = 7881653340. Its totient is φ = 5757014592.

The previous prime is 6745986607. The next prime is 6745986677. The reversal of 6745986653 is 3566895476.

It can be written as a sum of positive squares in 2 ways, for example, as 4964893444 + 1781093209 = 70462^2 + 42203^2 .

It is not a de Polignac number, because 6745986653 - 2¹⁴ = 6745970269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6745986592 and 6745986601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6745986683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289376 + ... + 311817.

It is an arithmetic number, because the mean of its divisors is an integer number (656804445).

Almost surely, 2^6745986653 is an apocalyptic number.

It is an amenable number.

6745986653 is a deficient number, since it is larger than the sum of its proper divisors (1135666687).

6745986653 is a wasteful number, since it uses less digits than its factorization.

6745986653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601436 (or 601429 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 59.

The square root of 6745986653 is about 82133.9555421508. The cubic root of 6745986653 is about 1889.5069450020.

The spelling of 6745986653 in words is "six billion, seven hundred forty-five million, nine hundred eighty-six thousand, six hundred fifty-three".