6277654165109 has 2 divisors, whose sum is σ = 6277654165110. Its totient is φ = 6277654165108.

The previous prime is 6277654164997. The next prime is 6277654165117. The reversal of 6277654165109 is 9015614567726.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5133043046884 + 1144611118225 = 2265622^2 + 1069865^2 .

It is a cyclic number.

It is not a de Polignac number, because 6277654165109 - 2⁸ = 6277654164853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6277654165309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3138827082554 + 3138827082555.

It is an arithmetic number, because the mean of its divisors is an integer number (3138827082555).

Almost surely, 2^{6277654165109} is an apocalyptic number.

It is an amenable number.

6277654165109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6277654165109 is an equidigital number, since it uses as much as digits as its factorization.

6277654165109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19051200, while the sum is 59.

The spelling of 6277654165109 in words is "six trillion, two hundred seventy-seven billion, six hundred fifty-four million, one hundred sixty-five thousand, one hundred nine".