2653664211 has 24 divisors (see below), whose sum is σ = 4224655344. Its totient is φ = 1591695360.

The previous prime is 2653664207. The next prime is 2653664219. The reversal of 2653664211 is 1124663562.

2653664211 is a `hidden beast` number, since 2 + 6 + 5 + 3 + 6 + 642 + 1 + 1 = 666.

It is not a de Polignac number, because 2653664211 - 2² = 2653664207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2653664219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128566 + ... + 147771.

It is an arithmetic number, because the mean of its divisors is an integer number (176027306).

Almost surely, 2^2653664211 is an apocalyptic number.

2653664211 is a deficient number, since it is larger than the sum of its proper divisors (1570991133).

2653664211 is a wasteful number, since it uses less digits than its factorization.

2653664211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276451 (or 276448 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2653664211 is about 51513.7283740946. The cubic root of 2653664211 is about 1384.4650257404.

The spelling of 2653664211 in words is "two billion, six hundred fifty-three million, six hundred sixty-four thousand, two hundred eleven".