2649486067187 has 2 divisors, whose sum is σ = 2649486067188. Its totient is φ = 2649486067186.

The previous prime is 2649486067181. The next prime is 2649486067237. The reversal of 2649486067187 is 7817606849462.

2649486067187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2649486067187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2649486067181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324743033593 + 1324743033594.

It is an arithmetic number, because the mean of its divisors is an integer number (1324743033594).

Almost surely, 2^{2649486067187} is an apocalyptic number.

2649486067187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649486067187 is an equidigital number, since it uses as much as digits as its factorization.

2649486067187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195084288, while the sum is 68.

The spelling of 2649486067187 in words is "two trillion, six hundred forty-nine billion, four hundred eighty-six million, sixty-seven thousand, one hundred eighty-seven".