2700678561017 has 2 divisors, whose sum is σ = 2700678561018. Its totient is φ = 2700678561016.

The previous prime is 2700678561011. The next prime is 2700678561047. The reversal of 2700678561017 is 7101658760072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1697694337936 + 1002984223081 = 1302956^2 + 1001491^2 .

It is a cyclic number.

It is not a de Polignac number, because 2700678561017 - 2⁴ = 2700678561001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2700678561011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1350339280508 + 1350339280509.

It is an arithmetic number, because the mean of its divisors is an integer number (1350339280509).

Almost surely, 2^{2700678561017} is an apocalyptic number.

It is an amenable number.

2700678561017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2700678561017 is an equidigital number, since it uses as much as digits as its factorization.

2700678561017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 50.

The spelling of 2700678561017 in words is "two trillion, seven hundred billion, six hundred seventy-eight million, five hundred sixty-one thousand, seventeen".