6771565420653 has 16 divisors (see below), whose sum is σ = 9850156497216. Its totient is φ = 4103726211840.

The previous prime is 6771565420639. The next prime is 6771565420667. The reversal of 6771565420653 is 3560245651776.

It is an interprime number because it is at equal distance from previous prime (6771565420639) and next prime (6771565420667).

It is not a de Polignac number, because 6771565420653 - 2⁴ = 6771565420637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6771565420593 and 6771565420602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6771565420673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5776300 + ... + 6848997.

It is an arithmetic number, because the mean of its divisors is an integer number (615634781076).

Almost surely, 2^{6771565420653} is an apocalyptic number.

It is an amenable number.

6771565420653 is a deficient number, since it is larger than the sum of its proper divisors (3078591076563).

6771565420653 is a wasteful number, since it uses less digits than its factorization.

6771565420653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12641564.

The product of its (nonzero) digits is 31752000, while the sum is 57.

The spelling of 6771565420653 in words is "six trillion, seven hundred seventy-one billion, five hundred sixty-five million, four hundred twenty thousand, six hundred fifty-three".