2647147653 has 6 divisors (see below), whose sum is σ = 3823657734. Its totient is φ = 1764765096.

The previous prime is 2647147651. The next prime is 2647147667. The reversal of 2647147653 is 3567417462.

2647147653 is a `hidden beast` number, since 2 + 64 + 71 + 476 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2599164324 + 47983329 = 50982^2 + 6927^2 .

It is not a de Polignac number, because 2647147653 - 2¹ = 2647147651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2647147599 and 2647147608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2647147651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147063750 + ... + 147063767.

It is an arithmetic number, because the mean of its divisors is an integer number (637276289).

Almost surely, 2^2647147653 is an apocalyptic number.

It is an amenable number.

2647147653 is a deficient number, since it is larger than the sum of its proper divisors (1176510081).

2647147653 is a wasteful number, since it uses less digits than its factorization.

2647147653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294127523 (or 294127520 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 2647147653 is about 51450.4388027935. The cubic root of 2647147653 is about 1383.3308277628.

The spelling of 2647147653 in words is "two billion, six hundred forty-seven million, one hundred forty-seven thousand, six hundred fifty-three".