2649527027649 has 12 divisors (see below), whose sum is σ = 3827467268196. Its totient is φ = 1766179348992.

The previous prime is 2649527027633. The next prime is 2649527027659. The reversal of 2649527027649 is 9467207259462.

2649527027649 is a `hidden beast` number, since 2 + 6 + 4 + 95 + 270 + 276 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 878147039025 + 1771379988624 = 937095^2 + 1330932^2 .

It is not a de Polignac number, because 2649527027649 - 2⁴ = 2649527027633 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2649527027659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14235972 + ... + 14420885.

It is an arithmetic number, because the mean of its divisors is an integer number (318955605683).

Almost surely, 2^{2649527027649} is an apocalyptic number.

It is an amenable number.

2649527027649 is a deficient number, since it is larger than the sum of its proper divisors (1177940240547).

2649527027649 is a wasteful number, since it uses less digits than its factorization.

2649527027649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28667136 (or 28667133 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 2649527027649 in words is "two trillion, six hundred forty-nine billion, five hundred twenty-seven million, twenty-seven thousand, six hundred forty-nine".