6886306845553 has 2 divisors, whose sum is σ = 6886306845554. Its totient is φ = 6886306845552.

The previous prime is 6886306845541. The next prime is 6886306845563. The reversal of 6886306845553 is 3555486036886.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6753641895729 + 132664949824 = 2598777^2 + 364232^2 .

It is a cyclic number.

It is not a de Polignac number, because 6886306845553 - 2⁵ = 6886306845521 is a prime.

It is a super-2 number, since 2×6886306845553² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6886306845563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443153422776 + 3443153422777.

It is an arithmetic number, because the mean of its divisors is an integer number (3443153422777).

Almost surely, 2^{6886306845553} is an apocalyptic number.

It is an amenable number.

6886306845553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6886306845553 is an equidigital number, since it uses as much as digits as its factorization.

6886306845553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664000, while the sum is 67.

The spelling of 6886306845553 in words is "six trillion, eight hundred eighty-six billion, three hundred six million, eight hundred forty-five thousand, five hundred fifty-three".