6180677698861 has 2 divisors, whose sum is σ = 6180677698862. Its totient is φ = 6180677698860.

The previous prime is 6180677698823. The next prime is 6180677698891. The reversal of 6180677698861 is 1688967760816.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6123224485225 + 57453213636 = 2474515^2 + 239694^2 .

It is a cyclic number.

It is not a de Polignac number, because 6180677698861 - 2¹¹ = 6180677696813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6180677698891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3090338849430 + 3090338849431.

It is an arithmetic number, because the mean of its divisors is an integer number (3090338849431).

Almost surely, 2^{6180677698861} is an apocalyptic number.

It is an amenable number.

6180677698861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6180677698861 is an equidigital number, since it uses as much as digits as its factorization.

6180677698861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 292626432, while the sum is 73.

The spelling of 6180677698861 in words is "six trillion, one hundred eighty billion, six hundred seventy-seven million, six hundred ninety-eight thousand, eight hundred sixty-one".